ALGEBRA: Inequalities

12/12/2017

1.) What are two things you know about inequalities?

2.) What are questions (they could be problems or concepts) you still have regarding inequalities?

>3 sentences for each prompt for a total of > 6 sentences.

Keep it clean and specific for the kids.

This is a grade. Please put your name as your last name, first initial.

36 Comments

Szalkowski,E

12/12/2017 10:04:11 am

One thing that I know about inequalities is that if the sign is greater than or equal to, when graphing, the line, or point, will be closed. So a greater than or less than sign with a line under it. Another thing I know about inequalities is that when you divide both sides by a negative number, you flip the way the sign goes. On my pretest, I got 3 of the “and” & “or” graphing problems incorrect. The reason being that I was confused about what to graph. I knew the algebra, but I just didn’t know how to graph. But after today, everything made sense to me so therefore I have no question.

Stabile E

12/12/2017 11:22:27 am

One thing i know about inequalities is that when im graphing, if the variable is greater that or possibly equal to, you shade above. If it is less than, then you shade below. I also know that if it is a less than or equal to sign then it is a closed dot. One question I have is when we graph points on a number line, sometimes i get it wrong because the arrow is going the other way. That confused me. Could you please explain when and at what time the arrows point in that paticular direction?

cruse Olivia

12/12/2017 11:24:37 am

One thing I know about inequalities, is when you are graphing one you use a dotted line when its greater or less then, then you use a full line when you are graphing greater or equal to or less than or equal to. one thing I get confused with is when to shade in the graph after the points are graphed. On the pretest I got the All real number questions wrong so I am still confused with those all real ones and the other one.

Fettig L

12/12/2017 12:48:20 pm

Two things I know about Inequalities are that they are very similar to equations. They also involve math concepts that we’ve seen earlier in the year. I still am struggling with graphing sometimes. I was also wondering if there is a way to check these types of problems. Also when figuring out what side to shade on the graph, couldn’t you just look at the sign and the part that is open is the side you shade?

Hernandez R

12/12/2017 12:57:33 pm

1 thing I learned about inequalities is how they are solved like equations. another thing I learned is that when you divide,by a negative number, to get the variable alone you need to flip the inequality.I am struggling with graphing and "And,Or" questions, I just don't get how to solve "And,Or" questions and I don't know what to shade when graphing

Shanley S

12/12/2017 01:04:55 pm

One thing I know about inequalities is that if you divide by a negative number you must flip the sign. I also know that < means you put a dotted line and less than or equal to means you must put a solid line. A question I have is for two inequalities is the first one supposed to be shaded? Plus what is this used for?

Grangood, M

12/12/2017 01:48:51 pm

One thing I know is when the variable is on the left, and you are graphing the equation just go where ever the sign points. (If you have > you would go to the right etc.) another thing i know is to flip the sign when multiplying or dividing negative numbers. I’m not entirely sure about the graphing thing, though. I believe I understand a mojority of it, and the homework we did tonight helps. But rules to it just don’t click on my brain and I think I would like more practice with it.

Elise Bacon

12/12/2017 01:52:37 pm

I know that inequalities can be considered real numbers or empty sets. I know that inequalities can be graphed on a number line. I know that inequalities can be graphed on a quardinant plane. I'm still a little confused about graphing inequalities on number lines. I'm still worried about decimals in inequalities. I also am a little confused on dashed lines on a graph. But overall I'm ok

Westbrook, D

12/12/2017 01:58:11 pm

One thing I know about inequalities is that they are very similar (solving wise), to that of an equation. The only real difference is when multiplying or dividing by a number, you would flip the sign.
I still have a slight problem on the "or" versus "and". I understand 'and' pretty wrll it's just that the or gets a little confuzing whether its all real numbers or just one of the inequalities (and which one to use).

Owens M

12/12/2017 02:27:08 pm

One thing i know about inequalities is that when you divide by a negative, you have to flip the sign. I also know that when graphing numbers on a number line, if it’s a greater than or less than sign, you do an open dot. If it’s a greater than or equal to or a less than or equal to sign it’s a closed dot. I used to not understand how you know when to shade the top part or the bottom part. I got a question wrong on the pretest because i didn’t know what part to shade in. After today it made a lot more sense and i now understand it so i don’t have any questions.

woods Brody

12/12/2017 02:42:51 pm

2 things I know about inequalities is that when there's is a line under the sign it means it is a closed line thus vice versa. I also recognized that is very similar to any other form of algebra which means I know how to do them. One thing I'm still having trouble with is when there is a fraction involved its confusing and throws me off balance.

Barnadyn G

12/12/2017 03:00:58 pm

When I'm given an inequality problem I need to solve it and find the answer. One variable is larger or smaller than the variable so that will change the sign. They are pretty much like solving regular equations. I know how to flip the sign but why? How complicated can inequalities be?Could an inequality possibly not work when you solve it.

Petersen, Ava

12/12/2017 03:56:55 pm

Something I know about inequalities is that they are extremely similar to regular graphing problems, except that you have to do an algebraic equation to find out the graphing points. I also have learned that when you multiply or divide while solving the equation you have to flip the greater than or less than sign. Something I’m still having trouble with is when you have two separate equations and you get different answers, just like the ones we do on Kahn.

Ross, D

12/12/2017 04:29:48 pm

When I think of inequalities the first thing that comes to my mind is the greater than and less than sign. The greater than and less than sign has a opened dot, but the greater than or equal to and the less than or equal to, has a closed dot. A hint that I use is when I look at the signs. When it is the greater than sign >, the line points right. When it’s the less than sign <, the line points left. Some questions I still have about inequalities would probably be about graphing any shading. First of all, how do you know when to graph to what side when it is true or false? My last question is, does the sign show you if the graph is going to be decreasing or increasing? If I had to ask another question about inequalities, then it would be about the fractions. Is there another step to solving the fractions, then just multiplying both sides?

Foucault J

12/12/2017 04:52:16 pm

I have learned that when graphing inequalities on a number line you graph them with the arrow number. I have learned that you need to switch the sign when multiplying or dividing by a negative. I also learned that you nead to make the inequalities in y=mx+b form to graph them. I am still a bit confused on how to graph inequalities on a graph. I am also a little bit confused on graphing inequalities on a number line. How do you know which side to shade on a graph?

Conti S

12/12/2017 05:10:08 pm

One thing I know about inequalities is when you multiple or divide by a negative number you must flip the inequality sign. So let's say you have a greater than sign and divide by per say -1, then you would flip the sign to a less than inequality sign. Another thing I know about inequalities is when graphing you would use a closed line if the inequality sign was greater than or equal to (or less than or equal too) you would graph the line on a coordinate graph as a close line. As where if you have a less than inequality sign it greater than sign then the line would be dashed when graphing on a coordinate graph. I don't exactly have any question in particular, after today all of mine pretty my got cleared up. But it would be helpful to go over more problems about the "and" and "or" problems and also the problems that involve shading.

Michael C

12/12/2017 05:14:21 pm

One thing I know about Inequalities is when you divide or multiply by a negative, you have to flip the sign. Another thing I know is if it is greater than or less than you graph it as an open circle. If it is greater than or equal to or less than or equal to you graph it as a closed circle. One thing I’m still having some trouble with is when you get two separate answers and knowing which one is correct. These were the ones I had a difficult time with on Khan academy.

Jorgensen L

12/12/2017 05:38:58 pm

I know how to graph inequalities (open vs closed dot, which way the line is headed) I'm pretty solid with that. I also know how to shade the coordinate graphs and how to use the origin (0,0) to check where to shade. I'm not great at "OR" inequalities and I'm COMPLETELY lost at "AND" inequalities. I'm definitely not ready for a test, I may have to come in after school sometime this week for help.

Ladd A

12/12/2017 06:03:50 pm

One thing I know about inequalities is how to tell whether a line is closed or dotted. Whether or not the sign has a line under it indicating that its equal to. Another thing I know is that when you divide or multiply into an equation by a negative number you must flip the inequality sign. If you don't flip the inequality sign you'll end up with the wrong answer/graph. One question is could you talk more about the shading because I still don't understand how you determine where to shade.

Friedenstab J

12/12/2017 06:35:04 pm

I know that when you multiply/divide by a negative in an inequality, you have to flip the sign. When graphing, you get the inequality into a y=mx+b form and then you graph it just like normal. If it’s equal to, you use a regular line, but if it’s not equal to, you use a dotted line. Then, if it’s greater than, you shade above the line, and if it’s less than, you shade below the line. One thing I’m still confused about is the ‘or’ questions. I don’t really understand the difference between a ‘4>x>2’ answer and a ‘all values of x are true’ (like on Kahn.) I’m also still confused on the check using the coordinate (0,0) when using the graph.

Witthoeft M

12/12/2017 06:41:46 pm

Something i know really well is when graphing the inequality you have to look at the inequality sign. If it is greater than or equal to or less than or equal to it’s a straight line from the points graphed. If the inequality sign is not equal to as well then the line from the points is dotted. Another thing i know is that also when graphing, if the inequality sign is less than then you shade below the line. If the inequality sign is greater than then you shade above the line. A question i still have is when you’re finished with both the or inequalities how do you know which solution is correct? My final question is i don’t fully understand the problems with the fraction bar and the number underneath.

Raymond M

12/12/2017 07:13:13 pm

When you divide or multiple with a negative number you have to flip the sign around. With inequalities you also have to look whether it says and , or, or it looks like 5<x<7. Lastly for inequalities when you are putting them on a number line you have to look at the symbol if it is greater than or equal to then the dot is closed same thing with with lesser than or equal to. For my first question is will we do more questions with the graphs and the shaded side. For my second question what is the difference between the problems with and and the problems that look like 5<x<7. For my last question when will we start review for the exams in January, will it be after the Christmas break or will we start before?

Colberg B

12/12/2017 07:18:35 pm

One thing that I know about inequality is that how to tell apart what a open and closed dot is. And how to put them on a graph. My question is that how do I tell when I have to shade above or below the equation. And how would how to properly graph inequality’s on a number line. That I know that when you are graphing a equation on a graph you can tell if it’s equal too or not by telling if it’s a dotted line or a full line. That in a number line you have to point the arrow on the number line what ever directions it’s pointing. And that when you have a negative variable you have too flip the signs and your have to change the number too a negative

Spencer R

12/12/2017 07:19:51 pm

One thing I know about inequalities is that if the inequality sign is less than you shade below the line, and if the inequality sign is greater than, you would shade above the line. I also know that if the equation has you divide both of the sides by a negative number you would have to switch the inequality sign. I would still like to practice graphing equations. Today’s practice helped me understand how to set up and work out the problems.

Cantrell Alyvia

12/12/2017 07:45:45 pm

i know that when shading a graph, you go by whatever the inequality sign is. if it’s y> then you shade above and vice versa for y<. i also know that if you’re solving an ‘and’ problem, then they have to instersect or else it can’t be answered. a question i still have is how do you determine if it’s all solutions equal x? also, what exactly are you supposed to do if both of the lines go the same way but one point is larger than the other?

Kruskie, nolan

12/12/2017 07:49:08 pm

2 things I know about inequalities is that they are somewhat similar to equations. I also know when to flip the inequality sign like if you are dividing by a negative or if you are flipping it. Also inequalities are quite easy. I don't really struggle with much. I got the graphing and solving inequalities. But maybe some more practice on the graphing would not hurt.

Blair A

12/12/2017 07:54:36 pm

One thing I know about inequalities is that when it’s a greater than or equal to sign the dot is filled in. However, when it is just a greater than sign it’s an open dot. Another thing I know about inequalities is when you divide by a negative you have to flip the sign. One question I have is after you solve the two equations for the “or” problems, how do you know which one is the answer? I also don’t fully understand graphing.

Jackson, L

12/12/2017 08:13:51 pm

Determining how to solve an inequality is quite simple when you follow these rules. One thing I know about inequalities is that when you have a less than sign than you make the arrow go left (towards the negative side). When you have a greater than sign then you make the arrow go right (towards the positive side). Another thing I know about inequality signs is that you flip the sign when you divide by a negative number in the last step. But a question that I still have is, why do we have to flip the sign? When you have two inequality signs in the same problem, what do you do?

Weld J.

12/12/2017 09:01:33 pm

I know that the inequality sign with the line underneath it is a closed dot on the number line. I also know that an inequality sign without the line underneath it is an open dot on a number line. I feel like i have those things down with also which direction they go in when facing a certain way. One concept that i am still not quite sure on is shading the right area on a coordinate plain. I have the dotted line and the full line down but the shading is something, in my opinion, should be covered in class. That is the only thing i still need to have down. Thank you its greatly appreciated.

Cerrudo, O

12/12/2017 10:17:47 pm

I have been somewhat struggling with completely understanding the concept of graphing inequalities. But two things that I do know about inequalities is that if you multiply or divide the end variable by a negative number you must flip the sign. I also know that if the problem involves a < or > basically if it is not equal to, you must leave the dot open on a number line. But as I previously mentioned I have been struggling with some concepts. Such as when to shade in a certain side on a graph. I have also struggled with completely understanding the differences between 'and' and 'or' and hope that we could cover both of these concepts tomorrow.

Nguyen, A

12/13/2017 04:08:40 am

Two things that I know about inequalities are that when it is equal then, you put a closed dot, and when it is not you put an open dot. Another thing is that when it is a negative number divided or multiply you flip the sign. A question I still has when you draw a line up or down.

Breanna LaDrigue

12/13/2017 05:00:35 am

The two things I know about inequality’s is I can solve them and graph them. I know that when you multiply a number by a negative you flip the sign. The other thing I know is when you graph inequality’s you shade the side that makes the equation right

Klepadlo G

12/13/2017 05:03:07 am

I know that when u divide by a negative number that you flip the sign. Also when you graph inequality’s if it has no equal sign under it it’s a circle not filled in on the graph. If it does have a equal to sign then you fill it in all the way. One question I still have is when you graph the inequality in the line and it doesn’t say “AND or OR”. Other than that I feel pretty confident on this chapter.

Page L

12/13/2017 08:48:38 am

One thing I know about inequalities is that they work a lot like equations. They solve like equations as well. Another thing I know is that you always flip the inequality sign if you multiply or divide a negative number across an equation. One question I have is about the number lines. What line do you put on the number line in AND and OR situations?

Smith,G

12/13/2017 03:43:39 pm

One thing I know about inequalities is that they do work like fractions and an other thing I know is that there are great than an equal to, same for less than to. Also with these signs (< and >). When we have to shade the graphs. when we have an equation for an example y>-1/2x + 3. Like I get how to solve o=it and graph it I just don't get what side to shade it.

Carusi E

1/3/2018 06:34:33 pm

one thing I know about inequalities is that they are relations that hold between 2 values. Another thing I know about inequalities is that inequalities can be negative or positive. I am very weak with graphing inequalities, I've got the main idea of how to do it but I still have a bit of a struggle with it. Inequalities are a little confusing to me but make sense at the same time. Really it's writing the equation to the graph that's my main struggle. That is all I need help on.

ALGEBRA: Inequalities

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