Determining Slope and Y-Intercept

The table below gives the coordinates of the points of a line on a coordinate plane. What is the y-intercept of this line?

• A. (-0.5, -4)

• B. (0, 0)

• C. (1.5, 0)

• D. (0, -3)

The graph of a linear function is shown on a coordinate plane below. What is the slope of this linear function?

• -2

• 2

• -5

• 5

Tags

CCSS.8.EE.B.6

CCSS.8.F.B.4

The water in the aquarium evaporates at a constant rate. The table below shows the amount of water left in the aquarium at the end of x months. How much water does the aquarium originally have, and how much water evaporates from the aquarium each month?

• The aquarium originally had 100 gallons of water, and 45 gallons of water evaporates each month.

• The aquarium originally had 140 gallons of water, and 5 gallons of water evaporates each month.

• The aquarium originally had 200 gallons of water, and 55 gallons of water evaporates each month.

• The aquarium originally had 150 gallons of water, and 5 gallons of water evaporates each month.

The table below gives the coordinates of the points of a line on a coordinate plane. What is the slope of this line?

• -4

• 4

• 3

• -3

The graph of a linear function is shown on a coordinate plane below. What is the y-intercept of this linear function?

• (0, -5)

• (3, 1)

• (5, 5)

• (-5, 0)

Tags

CCSS.8.F.A.3

An inlet pipe fills a water tank at a constant rate. The table below shows the height of the water level in the water tank at the end of x minutes. What was the initial height of the water level in the water tank, and at what rate does the water level increase per minute?

• The initial height of the water level in the water tank is 10 feet, and the water level increases 5 feet per minute.

• The initial height of the water level in the water tank is 8 feet, and the water level increases 7 feet per minute.

• The initial height of the water level in the water tank is 12 feet, and the water level increases 3 feet per minute.

• The initial height of the water level in the water tank is 3 feet, and the water level increases 12 feet per minute.

Tags

CCSS.8.F.A.1

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.F.B.5

CCSS.8.SP.A.3

The table below gives the coordinates of the points of a line on a coordinate plane. What is the y-intercept of this line?

• (1.25, 0)

• (0, 5)

• (2, -3)

• (-2.5, 15)

Tags

CCSS.8.F.B.4

CCSS.8.F.B.5

CCSS.8.SP.A.2

The graph of a linear function is shown on a coordinate plane below. What is the slope of this linear function?

• -2

• -6

• -4

• -5

The graph of a linear function is shown on a coordinate plane below. What is the y-intercept of this linear function?

• (0, 6)

• (6, 0)

• (2, -4)

• (1, 1)

Tags

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.F.B.5

CCSS.8.SP.A.3

The table below gives the coordinates of the points of a line on a coordinate plane. What is the slope of this line?

• 2

• -3

• -4

• 5