Exponents & Roots

Practice Questions

ACT Math Test › Exponents & Roots

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1

Which of the following complex numbers is equal to ? (Note: $i=\sqrt{-1}$ )

2

Which of the following complex numbers is equal to ? (Note: $i=\sqrt{-1}$ )

3

Find the value of

$7\sqrt{27}\times \sqrt{x}=21\sqrt{42}$

4

Find the value of

$7\sqrt{27}\times \sqrt{x}=21\sqrt{42}$

5

Which of the following complex numbers is equal to , where $i=\sqrt{-1}$ ?

6

Which of the following complex numbers is equal to , where $i=\sqrt{-1}$ ?

7

Which of the following complex numbers is equal to $(3+8i)-(7i^{2}-2i)$ , for $i=\sqrt{-1}$ ?

8

Which of the following complex numbers is equal to $(3+8i)-(7i^{2}-2i)$ , for $i=\sqrt{-1}$ ?

9

If $2^{x+2}-2^x=3(2^{15})$ , what is the value of ?

10

Which of the following complex numbers is equal to $(6+11i)-(6i^{2}-3i)$ , for $i=\sqrt{-1}$ ?

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