Inequalities

Inequalities

Multiple Select

Select all symbols that are inequalities:

• $<$

• $>$

• $=$

• $\le$

• $\ge$

Multiple Choice

What does this symbol mean?

 $\ge$  

• Greater than

• Greater than OR equal to
  

• Less than 

• Less than OR equal to

Multiple Choice

What does this symbol mean? 

 $\le$  

• Greater than

• Greater than OR equal to
  

• Less than 

• Less than OR equal to

Multiple Choice

When graphing an inequality on a number line, these symbols are closed dot 

• < >

• $\le$ $\ge$

Multiple Choice

When graphing an inequality on a number line, these symbols are an open dot

• < >

• $\le$ $\ge$

Multiple Choice

What inequality represents the value on the numberline?

•  $x\ \ge\ -1$  

•  $x\ >\ -1$  

•  $x\ <\ -1$  

•  $x\ \le\ -1$  

Multiple Choice

What inequality represents the value on the numberline?

• $x\ \le\ 10$

• $x<10$

• $x>10$

• $x\ \ge10$

Multiple Choice

What inequality represents the value on the numberline?

• $-12\ >\ x$

• $-12\ge x$

• $-12\le x$

• $-12<x$

Solving Two Step Inequalities

• Complete the inverse of the constant

• Comlete the inverse of the coefficient

• Graph the solution on the numberline

Multiple Choice

Which equation matches the following solution?

• $x-3<-4$

• $x-3\le-4$

• $x+7<10$

• $x+7\le10$

Multiple Choice

When you multiply or divide a negative number (in an inequality) how does it change the problem?

• You have to write the problem backwards

• You flip the whole problem around

• You have to flip the inequality symbol

Multiple Select

 $9w\ge-45$  

Choose all of the possible answers 

• -9

• -5

• 0
  

• 9

• 5

Multiple Select

 $-9w\ge-45$  

Choose all of the possible answers 

• -9

• -5

• 0

• 5

• 9

Multiple Choice

 $\frac{1}{3}d\ +\ 4\ \le\ 16$  

Cose the correct solution:

•  $d\le36$  

•  $d\le4$  

•  $d\le12$  

Multiple Choice

 $2x\ -3\ \ge-1$  

Choose the correct solution:

Multiple Choice

The words "at most" means that you need to use which symbol?

•  $<$  

•  $>$  

•  $\le$  

•  $\ge$  

Multiple Choice

The words "at least" means that you need to use which symbol?

•  $<$  

•  $>$  

•  $\le$  

•  $\ge$  

Multiple Choice

Stephanie needs to score at least 2000 points on a new video game to obtain the high score. She currently has 1000 points, and she gets 250 points after completing each level.

Write an inequality to show the above statement

• $1000x\ +\ 250\ \ge\ 2000$

• $2000x\ +\ 1000\ \le\ 250$

• $250x\ +\ 1000\ \ge\ 2000$

Multiple Choice

Stephanie needs to score at least 2000 points on a new video game to obtain the high score. She currently has 1000 points, and she gets 250 points after completing each level.

Which inequality shows the number of levels she must complete in order to obtain the high score?

•  $x\ \ge\ 12$ 

•  $x\ \ \ge\ 4$ 

•  $x\ \ge\ 250$ 

Multiple Choice

How are you feeling about Unit 3?

• I love it

• I'm getting it

• I'm lost, but I haven't done much practice

• I don't care about Math