Algebra

Practice Questions

SAT Math › Algebra

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1

Given $9 \cdot 3^n = 3^9$ , what is the value of ?

2

Evaluate the following equation when and round your answer to the nearest hundredth.

$\frac{x^{3}-2x^{2}-3x+5}{5x+3}$

3

What is the range of the function y = _x_2 + 2?

4

Simplify:

$4^7*4^{18}$

5

Two cars start 25 mile apart and drive away from each other in opposite directions at speeds of 50 and 70 miles per hour. In approximately how many minutes will they be 400 miles apart?

6

Define an operation $\Phi$ such that, for any complex number ,

$\Phi a = a + 2ai$

If $\Phi N = i$ , then evaluate .

7

Simplify:

$4^8-2^{15}$

8

Solve for :

9

Evaluate $\left ( 4i\right )^{3} \cdot (3i)^{4}$ .

10

If

$\frac{x^a}{x^b}=x^4$

and

,

what is the value of a?

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