Chapter 6 Inequalities Review

Chapter 6 Inequalities Review

Inequality

A mathematical sentence that compares quantities.

Solving an inequality means finding values for the variable to make the inequality TRUE.

Multiple Choice

Solve the inequality.

x + 5 ≤ 13

• x ≥ 8

• x ≥ 18

• x ≤ 8

• x ≤ 18

Multiple Choice

Solve the inequality.

30 + n ≥ 50

• n ≥ 50

• x ≥ 80

• n ≤ 30

• n ≥ 20

When multiplying or dividing by a negative, you FLIP the inequality

Multiple Choice

Does the sign need to flip when solving?
-2x ≥ 22

• YES
• NO

Multiple Choice

Solve

-5m < 10

• m < -2

• m > -2

• m < -50

• m > -50

Multiple Choice

Solve

-8x < 48

• x < -6

• x > -6

• x < 6

• x > 6

Multiple Choice

Solve:  $-\frac{x}{6}\ge5$ 

•  $x\le30$  

•  $x\le-30$  

•  $x\ge30$  

•  $x\ge-30$  

Multiple Choice

When you graph an inequality, you used a closed dot when you use which symbols?

• ≤, ≥ 
• <, >
• ≤, <
• ≥, >

Multiple Choice

When graphing an inequality, you use an open dot when you use which symbol?

• <, >
• ≤, ≥ 
• ≤, <
• ≥, >

Multiple Choice

When graphing b < 6 would you use an open or closed circle?

• Open
• closed

Multiple Choice

Match the graph with its inequality.

• a > 11

• a < 11

• a ≥ 11

• a ≤ 11

Multiple Choice

Match the graph with its inequality.

• b > –2

• b < –2

• b ≥ –2

• b ≤ –2

Multiple Choice

Match the graph with its inequality.

• –3/7 > j

• –3/7 < j

• –3/7 ≥ j

• –3/7 ≤ j

Multiple Choice

Match the graph with its inequality.

• c > 9

• c < 9

• c ≥ 9

• c ≤ 9

Multiple Choice

"At most" and "No more than" are both clue words for...

• <
• >
• ≤
• ≥

Multiple Choice

Do I need to flip my sign?
3x  ≥ 12

• Yes
• No

Multiple Choice

Solve for t.

6t + 4 ≤ -2

• t ≤ -1

• t ≤ 1

• t=1

• 1=t

Multiple Choice

Solve the inequality.

-n + 8 < 26

• n < -18

• n > -18

• n ≤ -18

• n ≥ -18

Multiple Choice

Solve for u.

u/7 – 1 ≤ 1

• 14≥u

• 14≤u

• u≤14

• u ≤ -14

Multiple Choice

Solve for k.

2k - 9≤ -19

• k ≤ -5

• k ≤ 5

• k < -5

• k < 5

Multiple Choice

22 < 6c + 4

• 11>c
• 3>c
• 11<c
• 3<c

Multiple Choice

16 - 4a > 8

• a<-2
• a>-2
• a<2
• a>2

Multiple Choice

-9a - 1 < 26

• a < -3

• a < 3

• a > -3

• a > 3

Multiple Choice

22 < 6c + 4

• 11>c

• 3>c

• 11<c

• 3<c