Pre-Algebra Review

Simplify:

 $3x\ -\ 7\ -\ \left(5x\ -\ 2\right)$  

•  $-2x\ -\ 9$ 

•  $8x\ -\ 9$  

•  $-2x\ -\ 5$  

•  $2x\ -\ 9$  

Tags

CCSS.7.EE.A.1

Which of the following is not equivalent to the others?

•  $-2\ +\ 9$ 

•  $15\ -\ 2^3\$  

•  $-2^2\ +\ 3$  

•  $3\cdot6\ -\ 11\$  

Tags

CCSS.7.EE.B.3

Simplify:

 $3\ -\ 24\div3\cdot2$  

• -1

• -13

• -14 

• -3.5

Tags

CCSS.7.NS.A.3

Simplify:

 $11+\left(-3\right)^2\ -\ 2\left(5-2\right)$  

• 14

• -12

• -4 

• 2

• 18

Tags

CCSS.7.NS.A.3

Write an expression to represent the perimeter of the rectangle shown.

• 9x + 5

• 18x² + 15x

• 14x

• 18x + 10

Tags

CCSS.7.EE.A.1

Evaluate:

 $3b^2\ -\ 2a\ -\ \left(-c\right)$ ,
if a = -5, b = 2, and c = 4

• 26

• 20

• 75

• 50

• -2

Tags

CCSS.6.EE.A.2C

Evaluate:

 $2x\ -\ y^2\ +5$ ,
if x = 10 and y = -3

• 34

• 16

• 28

• 19

• 6

Tags

CCSS.6.EE.A.2C

Simplify:

 $6x\ -y-\ 2\left(x\ -\ 3y\right)$  

•  $4x\ -\ 7y$ 

•  $4x\ +5y$  

•  $8x\ -\ 5y$  

•  $5x\ -\ 4y\ -\ 2$  

Tags

CCSS.6.EE.A.3

Simplify:

 $\left(3\ -\ 8\right)^2-4\cdot2\ +1$  

• -68

• -32

• -12 

• 18

• 16

Tags

CCSS.6.EE.A.2C

Simplify:

 $x\ +\ 6x^2\ -\ 2\left(1\ -x\right)$  

•  $6x^2+3x-2$ 

•  $6x^2-x\ -2$  

•  $6x^2-2$  

•  $9x^2-2$  

•  $5x-2$  

Tags

CCSS.6.EE.A.3