Expressions Test Review

Expressions

100

Name 2 types of grouping symbols

Parentheses, Brackets, or Absolute Value bars

200

15 less than the sum of k and 2

(k+2)-15

300

There are 1024 bytes in a kilobyte. Write an expression that describes the number of bytes in a computer chip with n kilobytes.

1024n

400

3g(g+r)²-1                     g=2, r=3

149

500

z³+(y²-4x)                     x=6, y=8, z=3

67

Properties

100

Any number multiplied by zero is equal to

Zero

(The Multiplicative Property of Zero)

200

This property says that any quantity is equal to itself, such as 7=7.

The Reflexive Property

300

The order in which you add or multiply numbers will not change the result.

Commutative Property

400

If a-12=b+3 and b+3=5, then a-12=

5

500

3+ (-3) = 0

Additive Inverse

Distributive Property

100

True or False: 6x²+5x-2 is in simplest form.

True

200

Rewrite the expression 3(x+4y) using the Distributive Property.

3x + 3(4y)

300

Simplify the expression 4x³-2x+5x+36

4x³+3x+36

400

(h-10)7

7h-70

500

2(n+2n-5)

6n-10

Absolute Value

100

|-7|

7

200

A number's distance from zero on the number line.

Absolute Value

300

True or False:                   |m-n| = |n-m|

True

400

|12+2t|, t=-2

8

500

-|10-7r+8m+2p|                     m=-4, p=2, r=5

-53

Miscellaneous

100

An expression containing no like terms or parentheses is in this form.

Simplest Form

200

Identify the coefficient, base, and exponent in the expression 7x³.

Coefficient: 7

Base: x

Exponent: 3

300

The nearness of a measurement to the true value of the measure.

Accuracy

400

True or False: 7+2a = 2a+7 is true because of the Transitive Property of Equality.

False

500

Nathan earned a $5,000 holiday bonus at work and has decided to buy gifts for his 7 family members. If he wants to spend the same amount on each gift, how much should he spend on each item?

$714.28