Equations and Inequalities Test

Which is the solution to the equation

9x + 1 = 4x + 16

• 3

• 3.4

• -3

• none of these

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

-4(3x + 2) = 3(-4x + 5)

• No Solution

• One Solution

• Infinite Solution

Tags

CCSS.8.EE.C.7A

-5(2x - 4) = 2(10 - 5x)

• No Solution

• One Solution

• Infinite Solution

Tags

CCSS.8.EE.C.7A

Which of the following is a solution to this inequality?

6x + 2 < 14 - 6x

• 0

• 1

• 2

• 3

Tags

CCSS.6.EE.B.5

Solve for x:

4(1 - x) + 3x = -2(x + 1)

• x = -6

• x = 6

• x = 3

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Solve:
7(x + 3) < 5x + 13

• x>-4
• x < 17
• x<-4
• x > -17

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.8

 $2\left(x+5\right)=3x-2$  

•  $x=8$  

•  $x=-8$  

•  $x=12$  

•  $x=-12$  

Answer explanation

 $-4x+6>-30$  

Which of the following graphs shows the answer to this inequality?

• 
• 
• 
• 

Answer explanation

*Open circle since it can't equal 9.
*You had to reverse the inequality symbol 
since you divided by -4.
*Arrow to the left since the alligator doesn't 
want the x!

 $4\left(-4x+3\right)\ge12$  

Select the graph that goes with this inequality.

• 
• 
• 
• 

Answer explanation

*Closed circle because the solution could equal zero
*Since you divided by a negative number, you had to reverse the inequality symbol
*Arrow goes to the left because the alligator doesn't want the x

Figure out what n equals in this equation:
6n + 4 = -26

• n=-6
• n= -5
• n= 8
• n= -4

Tags

CCSS.7.EE.B.4A