Rationalize the denominator and simplify the expression $2z\frac { 2 } { \sqrt { z } }$ .

A) $2zz2\frac { 2 \sqrt { z } } { z ^ { 2 } }$
B) $2zz\frac { 2 \sqrt { z } } { z }$
C) 2
D) $\sqrt { z }$
E) $2+zz\frac { 2 + \sqrt { z } } { z }$

Question

Rationalize the denominator and simplify the expression

2z\frac { 2 } { \sqrt { z } }

.

A)

2zz2\frac { 2 \sqrt { z } } { z ^ { 2 } }

B)

2zz\frac { 2 \sqrt { z } } { z }

C) 2
D)

\sqrt { z }

E)

2+zz\frac { 2 + \sqrt { z } } { z }

Neyla Silva · Accepted Answer

Final Answer : B, Explanation :  To rationalize the denominator, we multiply the numerator and denominator by $\sqrt{z}$: $\frac{2\sqrt{z}}{z\cdot \sqrt{z}} = \frac{2 \sqrt{z}}{z}$, which is already simplified. Therefore, the answer is B.

Rationalize the denominator and simplify the expression $2z\frac { 2 } { \sqrt { z } }$ .

A) $2zz2\frac { 2 \sqrt { z } } { z ^ { 2 } }$
B) $2zz\frac { 2 \sqrt { z } } { z }$
C) 2
D) $\sqrt { z }$
E) $2+zz\frac { 2 + \sqrt { z } } { z }$

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Learning Objectives

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Rationalize the denominator and simplify the expression 2z\frac { 2 } { \sqrt { z } }z​2​ .A) 2zz2\frac { 2 \sqrt { z } } { z ^ { 2 } }z22z​​ B) 2zz\frac { 2 \sqrt { z } } { z }z2z​​ C) 2D) 2z2 \sqrt { z }2z​ E) 2+zz\frac { 2 + \sqrt { z } } { z }z2+z​​

Definitions

Learning Objectives

Learning Objectives

Related questions

Rationalize the denominator and simplify the expression $2z\frac { 2 } { \sqrt { z } }$ .

A) $2zz2\frac { 2 \sqrt { z } } { z ^ { 2 } }$
B) $2zz\frac { 2 \sqrt { z } } { z }$
C) 2
D) $\sqrt { z }$
E) $2+zz\frac { 2 + \sqrt { z } } { z }$