Chapter 1 Review

Operations

100

Simplify.

5 + (−3) − (−1) 

3

200

(2/5)x(1/2)x(5/2)

1/2

300

6.399 + 22.34

28.739

400

(9/57) / (12/19)

1/4

500

Mrs. Benson has $164 for running errands. She spent $135.76 on groceries, then decided to get $50 from the bank before spending $53.22 at a craft supply store. How much money does she have left?

$25.02

Exponents

100

Simplify.

 (−3)³

-27

200

(7⁰)^-12

1

300

(x⁸)/(x¹¹⁾

1/x³ or x^-3

400

1/4^-3

64

500

((5^-3)²)/ ((2^-1)(5^-7))

10

Translate

100

Eight minus twice a number

8-2x

200

the product of 5 and a number

5x

300

the difference of two consecutive numbers

x-(x+1) or -1

400

the product of 3 consecutive numbers

x(x+1)(x+2)

500

the sum of a number squared and that number tripled

x²+3x

Made to Order

100

(2-9)3²

-63

200

4 + 6(−3 + 10)

46

300

4³ divided by 2³ divided by 2

4

400

evaluate when a=6, b=8 and c=12

a² + b - c

32

500

Define absolute value

the distance a number is from the origin (or 0)

Distributed

100

3(a+b)

3a + 3b

200

x²+3x+5x+8x²

9x²+8x

300

4y(y + 5) – 2(y² – 7y)

2y² + 34y

400

ab + 2ab² + 3ab − 5ab²

4ab − 3ab² or -3ab²+4ab

500

Evaluate when
a = 2 and b = 8.

5(4a² + b)

120