Linear Functions and Pythagorean Theorem Quiz

If y=6x and x=3 what is y?

• 9

• 18

• 3

• 18x

If y=-7x and x=-6 what is y?

• -42

• 42

• -13

• 76

If y=3x+5 and x=0 what is y?

• 5

• 8

• 8x

• 0

If y=6-x and x=-5 what is y?

• 1

• -11

• -1

• 11

If y=-8x+2 and x=-4 what is y?

• 34

• 4

• -10

• 2

Evaluate the following function for x= 7

f(x)= x + 4

• f(7)= 8

• f(7)= 11

• f(7)= -11

• f(7)= 5

Evaluate the following function for x= -3

f(x)= 10x + 3

• f(-3)= 30

• f(-3)= -27

• f(-3)= -5

• f(-3)= 20

Evaluate the following function for x= -7

f(x)= 2x + 11

• f(-7)= -3

• f(-7)= -14

• f(-7)= -5

• f(-7)= 20

Evaluate f(x)= -2x+13 for f(10)

• -7

• 1

• -8

• 7

If f(x) = 2x² + 5x - 3, evaluate f(4).

• f(4) = 4

• f(4) = 49

• f(4) = 25

• f(4) = 55