Intro to Algebra Title

What is the variable in 3x - 5

• x

• 5

• 3

What is the value of d in the following equation?
15 + d = 27

• 13

• 12

• 14

• 8

Which of the following is an expression?

• 5x + 2 - 8 = 25

• 14 = 5y

• 2h + 8

• 9 - r = 17

What is the vocabulary word for the y in this expression: -5y + 4?

• variable

• constant

• coefficient

10+x=20

• x=10

• x=5

• x=12

• x=15

2r=8

• r=2

• r=4

• r=5

• r=10

5-c=1

• c=3

• c=5

• c=4

• c=2

6+x=10

• x=4

• x=3

• x=10

• x=5

10p=30

• p=3

• p=4

• p=5

• p=10

What are variables in math?

• Letters

• Numbers

• Expressions