TCAP Success Grade 6 MATH Chapter 8

1 pt

2.

Write –27 as an exponential expression.

A

${3}^{3}$

B

9 – 3

C

${\left(-3\right)}^{3}$

D

$-{9}^{2}$

1 pt

5.

Simplify: ${8}^{2}+2$

A

66

B

64

C

128

D

10

1 pt

8.

Which property describes the following expression: 7 + 18 = 18 + 7?

A

Associative Property of Addition

B

Distributive Property

C

Commutative Property of Addition

D

Identity Property of Addition

1 pt

11.

Simplify the expression:

$\frac{\left({2}^{4}\right)+14}{{10}^{2}+\left({10}^{2}-50\right)}$

A

5

B

$\frac{1}{5}$

C

$\frac{1}{3}$

D

3

1 pt

13.

The variable in the expression 9x + 63 is

A

X

B

9

C

63

D

=