TCAP Success Algebra 1 EOC Chapter 02

DOK: 1
1 pt

1.

Simplify: $\sqrt{135}$

A

$3\sqrt{15}$

B

$\sqrt{72}$

C

$9\sqrt{15}$

D

$\sqrt{9}\times \sqrt{15}$

DOK: 2
1 pt

4.

Simplify the following by rationalizing the denominator.

$\frac{\sqrt{3}}{\sqrt{15}}$

A

$\frac{\sqrt{5}}{5}$

B

$\frac{1}{\sqrt{5}}$

C

$\frac{\sqrt{45}}{15}$

D

$\frac{3\sqrt{5}}{15}$

DOK: 1
1 pt

5.

Simplify: $\sqrt[3]{40}$

A

$8\sqrt[3]{5}$

B

$\sqrt[3]{8}\times \sqrt[3]{5}$

C

$2\sqrt[3]{5}$

D

You cannot take the cube root of 40.

DOK: 1
1 pt

7.

Perform the operation, then determine if the answer is rational or irrational.

$6\xf7\frac{2}{3}=$

A

4, rational

B

9, rational

C

9, irrational

D

4, irrational

DOK: 3
1 pt

9.

Which part of the following statement is false, and what should it be so the following sentence is true?

Every **rational** number can be written as a fraction, but every **integer** cannot be expressed as a fraction.

A

The word *rational* should be changed to *irrational*.

B

The word *integer* should be changed to *irrational number*.

C

The word *integer* should be changed to *natural number*.

D

The word *integer* should be changed to *rational number*.