Algebra Evaluating an Expression with One Variable

The number in front of the variable in a term

• constant of proportionality

• coordinate

• coefficient

• constant

Add or subtract terms with the same variable and exponent.

• complete the square

• deductive reasoning

• combine like terms

• isolate the variable

How many terms are in this expression? 3x - 2 + 2x + 4

• 1

• 2

• 3

• 4

How many terms are in this math expression?

• 2

• 3

• 4

• 5

w + 3

if w=2

• 11

• 9

• 7

• None of the above

Evaluate 3x - 7 if x = 12

• 305

• 29

• 10

• 14

• 30

• 26

Three times the sum of 2 and e. 

• 3e+2

• 3(e-2)

• 3(e+2)

• 2e+3

Evaluate the expression
when x=8 and y=12.
4x − 2y 

• 4(8) − 2(12)

• 0

• 8

• 4

Amount you have spent if you buy a shirt for $20 and jeans for x dollars

• 20-x

• 20+x

• x-20

• 20x