North Carolina 7th Grade Math EOG Chapter 8

1 pt

1.

Which expression is a number divided by the sum of nine and two?

A

$\left(\frac{x}{9}\right)+2$

B

$\frac{\left(9+2\right)}{x}$

C

$\frac{x}{\left(9+2\right)}$

D

$\frac{9}{\left(x+2\right)}$

1pt

2c.

6(x – 5) + 2(3x + 8) =

1pt

3c.

(7 + 2) 3 = 7(3) + 2(3) =

1 pt

8.

Simplify 5(4x – 3) + 7(2 + x).

A

13x – 1

B

27x + 1

C

27x + 29

D

27x – 1

1 pt

11.

Simplify $14{t}^{2}\u201312t+6+2{t}^{2}\u20137t+3.$

A

$16{t}^{2}\u201319t+9$

B

$12{t}^{2}\u201319t+9$

C

$16{t}^{2}+19t+9$

D

$12{t}^{2}+19t+9$