Test Video Quiz

What is the y-intercept of the function f(x) = 2x - 3?

• -3

• 3

• 0

• 2

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What does the slope of the function f(x) = 2x - 3 tell us about the graph?

• It remains constant.

• It increases by 2 units for every increase in x.

• It increases by 3 units for every increase in x.

• It decreases by 2 units for every increase in x.

Tags

CCSS.8.EE.B.5

Which of the following functions has a restriction on its domain?

• f(x) = x + 5

• f(x) = 2x - 3

• f(x) = x^2

• f(x) = 1/x

Why can't the function f(x) = 1/x include x = 0 in its domain?

• Because the function reaches its maximum.

• Because the function equals zero.

• Because the function becomes undefined.

• Because the function becomes constant.

Tags

CCSS.HSF.IF.A.1

What is the domain of the function f(x) = 2x - 3?

• All positive numbers

• Only integers

• All negative numbers

• All real numbers