Ch 5 Mid-Quiz Review

Vocabulary

100

a symbol that represents one or more numbers (letters)

variable

200

an expression that may contain numbers, operations, and one or more variable

algebraic expression

300

each number or variable by itself, or product of numbers and variables in an expression (everything except the operation signs +, -, x, ÷)

term

400

a term without a variable (number by itself)

constant

500

• the numerical factor of a term that contains a variable

coefficient

Writing

100

the difference between a number k and 42

k - 42

200

the sum of a number n and 4

n + 4

300

the quotient of 18 and a number p

18 ÷ p

400

7 increased by a number w

7 + w

500

13 subtracted from a number x

x - 13

Evaluating

100

Evaluate 7k, when k = 3

21

200

Evaluate 3 + h, when h = 16

19

300

Evaluate 6f - 9, when f = 4

15

400

Evaluate 2m + 10, when m = 5

20

500

Evaluate 2(d + 3), when d = 8

22

Parts of an Expression

100

Identify the term(s): 7k + 8

7k, 8

200

Identify the constant(s): 18 + 7b + 4

18, 4

300

Identify the coefficient(s): 2b - 13 + z

2, 1

400

Identify the coefficient(s): 8j + 9s + 3 + p

8, 9, 1

500

Identify the constant(s): 8y - 2x

there are no constants!