Functions Review Quizizz

A line passes through the points (2, 5) and (6, 13). Calculate the slope.

• 2

• 4

• 3

• 1

Tags

CCSS.8.EE.B.5

Does the line represented by y = -2x + 6 increase, decrease, or remain constant?

• Increase

• Decrease

• Remain constant

• None of the above

Tags

CCSS.HSF-LE.A.1B

If a line has a slope of 0, what is the nature of the line?

• Vertical

• Horizontal

• Diagonal

• Undefined

Tags

CCSS.8.EE.B.5

State whether the following domain makes sense for the situation: x is the number of pizzas ordered, and the domain is {0,1,2,3,…}.

• Yes, it makes sense.

• No, it should be negative numbers.

• No, it should be fractions.

• No, it should be all real numbers.

A hot air balloon rises at a constant rate of 2.5 km/min. Write the equation of the relationship between time (t) and height (h).

• h = 2.5t

• h = 2.5 + t

• h = t/2.5

• h = 2.5t + 10

Tags

CCSS.6.EE.C.9

A graph shows that as x increases, y decreases at a constant rate. Is the slope positive or negative?

• Positive

• Negative

• Zero

• Undefined

Tags

CCSS.8.EE.B.5

The function y = 0.6x + 1.50 models the profit from selling x items. What is the profit when 10 items are sold?

• $5.00

• $6.25

• $7.50

• $10.00

Tags

CCSS.HSF.LE.B.5

What is the equation of the function for a car rental company that charges a flat fee of $25 plus $0.10 per mile driven?

• y = 0.10x + 25

• y = 25x + 0.10

• y = 0.10x - 25

• y = 25x - 0.10

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

If a line passes through the origin and has a slope of 4, what is its equation?

• y = x - 4

• y = 4x + 1

• y = x + 4

• y = 4x

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

If a line has an equation y = -3x + 9, what is the slope of the line?

• 9

• -3

• -9

• 3

Tags

CCSS.8.EE.B.5