Algebra I - Unit 1: Foundations of Algebra Test

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Which of the following shows the correct order of the numbers below? ( 1/2 ) to the 2nd power, 2/3 , 0.45

( 1/2 ) to the 2nd power, 0.45 , 2/3

Select all of the following expressions that are equivalent to 0.25.

(0.5) to the 2nd power |-3 + 2.75| -(-0.25)

Simplify (-5) + (-4) + (7).

-2

Evaluate 5x to the 3rd power + 2 for x = -1.

-3

Simplify -|-5 + 2|.

-3

Simplify 6(-5).

-30

Add -54 + 18.

-36

Evaluate x to the 2nd power/y + x to the 2nd power/z , if x = 10, y = -5, and z = -2.

-70

10q - 20 is equivalent to _____.

10(q - 2)

Simplify 3(x - 4) + 8(x + 2).

11x + 4

Simplify 6x + 6 + 5x - 8.

11x - 2

Simplify 9 - {x - (7 + x)}.

16

What is the multiplicative inverse of 1/2?

2

Simplify 6 - (-2) - 3(-5).

23

Simplify 6r · s · 4rt.

24r 2 st

Perform the indicated operation. 15 - (-11)

26

Simplify and determine the coefficient of (- 2/3 x)(3y)(-2x).

4

How many terms are in the expression shown below? x 2 - 10xy + 3y + y 2 - 1

5

What is the expression for "the difference between five times a number and twice that number"?

5N - 2N

Evaluate 7 + (-3x to the 2nd power ) for x = 0.

7

Simplify 7(x + 3).

7x + 21

Evaluate A to the 2nd power for A = -3.

9

Find the value of 21 - 18 ÷ 3 · 2.

9

Simplify 5m - 13n - n + 4m.

9m - 14n

Integers are _____ irrational numbers.

never


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