Chapter 4 Assessment Review

One-Step Equations

100

6x = 30

x = 5

200

g/11 = 2

g = 22

300

y + 13.8 = 25

y = 11.2

400

x - 6.5 = 15

x = 21.5

500

Bonus Question!:

3x + 20 = 65

x = 15

Evaluating Expressions

100

x + 3.7 when x = 9

12.7

200

25 - 4b + 2 when b = 3

15

300

5(c - 10) when c = 16

30

400

7z - 4y + 2 when z = 3 and y = 2

15

500

Bonus Question!

11(x - 1) + 4(y + 5) when x = 1 and y = -5

0

Writing Equations

100

a number, n, decreased by ninety-two

n-92

200

the sum of a number and 26

n + 26

300

twelve less than a number

n - 12

400

the product of fourteen and a number

14n

500

the quotient of twenty and a number

20/n

Parts of an Algebraic Expression

100

a number on its own

constant

200

a letter that represents an unknown

variable

300

a number multiplied by a variable

coefficient

400

a small part of an expression separated by an addition or subtraction sign

term(s)

500

a number written above and to the right of a base number

exponent

Random Concept

100

T or F-->6x=24

x=24

False

200

Is 1 a solution of 9x = 9?

Yes

300

Which value in the set {4,9,15,36} is a solution of 12=3+x?

9

400

TorF-->x+y=z when x=5;y=3;z=53

False

500

Who is the cutest dog in the world?

BLUE ANGEL!