Chapter 1 Review Periods 3,5

Add/Subtract Rational #s

100

-7 + (-12)

-19

200

5 - 15

-10

300

20 - (-6.5)

26.5

400

-8 - (-13)

5

500

1/6 - 3/4

-7/12

Multiply/Divide Rational #s

100

8(-1.5)

-12

200

(-14)(-8)

112

300

-120 divided by 9

*write as improper fraction

-40/3

400

8(-9/4)

-18

500

42 divided by -15

*improper fraction

-14/5

Distributive Property

100

-(x + 6)

-x - 6

200

10(3x - 4)

30x - 40

300

-1/2(18x + 9)

-9x - 9/2

or -9x - 4.5

400

0.3(-2x +18)

-0.6x + 5.4

500

-2/5(35x - 15)

-14x + 6

Algebraic Expressions

100

Simplify 18x + 24x

42x

200

Write the expression for the following word phrase:

the sum of 15 and twice a number y

15 + 2y  or

2y +15

300

5 less than the quotient of x and 19

x/19 - 5

400

100 less than the product of 2.5 and x

2.5x - 100

500

let a = 2 and b = 5 : Evaluate

3a³ - 4a²b³

-1976

Miscellaneous

100

Simplify the square root of 121

11

200

-15x, 3x, 3x²,18x

Are these all like terms?

no

300

What property is shown below:

a(bc) =(ab)c

Associative

400

What is the difference between the natural numbers and whole numbers?

Whole numbers contain 0.

500

Is .2 repeating rational or irrational?

Is the square root of 5 rational or irrational?

rational

irrational