Solving Equations and Inequalities*

Which equation is true when the value of x is −12?

• ½x +22 = 20

• 15 − ½x = 21

• 11 − 2x = 17

• 3x − 19 = −17

Tags

CCSS.6.EE.B.5

The solution to the inequality 5x − 4 > 21 is represented by which number line?

• 
• 
• 
• 

Tags

CCSS.7.EE.B.4B

What is the value of x in this equation?

2x + 2 = −52

• −25

• −27

Tags

CCSS.7.EE.B.4A

Match:
You must be at least 48 inches tall to ride the bumper cars.

• h < 48
• h > 48
• h ≤ 48
• h ≥ 48

Tags

CCSS.6.EE.B.8

Solve for x:
8x - 10 = -34

• 4
• 3
• -3
• -24

Tags

CCSS.7.EE.B.4A

Find the error in the problem below
19 - 2k = 3k - 1
     +3k   +3k
19 + 1k = -1
-19           -19
k = -20

• They should have divided by 1 for the last step
• They should add 19 instead of subtracting 19
• I can not find an error
• Instead of adding 3k they should subtract 3k

Tags

CCSS.HSA.REI.A.1

Solve for x: $\frac{x}{5}=2$  

• x = 20

• x = 7

• x = 10

• x = 3

Tags

CCSS.6.EE.B.7

Write an equation for
 17 less than H equals 42

• 17-H=42
• H-17=42
• H+17=42
• 17+H=42

Tags

CCSS.HSA.CED.A.3

Would i have to flip the inequality sign to solve:
-7x < 21

• Yes
• No

Tags

CCSS.6.EE.B.8

26 < f + 32

• f > -6
• f < -6
• f < 6
• f < 55