Linear Relationships Part 2 STAAR Review

State the slope and y-intercept for the graph of the equation. y = -3x + 5.

• y-intercept = 2, slope = 3

• y-intercept = 8, slope = -3

• y-intercept = 5, slope = -3

• y-intercept = 15, slope = 2

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

The table shows the price of blueberries for three different weights at a farmer's market. The cost, y, of blueberries varies directly with the number of pounds, x. What is the direct variation equation for the data in the table?

• y = 5x

• y = 3x

• y = 8x

• y = 2.5x

Ryan is practicing sprints on a track. He records how far he can sprint, in meters, during certain time frames, in seconds. The graph shows the distance in relation to time. There is a proportional relationship between the distance and the time. How many meters per second does Ryan sprint?

• 7 meters per second

• 1 meter per second

• 6 meters per second

• 8 meters per second

Tags

CCSS.7.RP.A.2D

Find the slope of the line by comparing the vertical side length (rise) to the horizontal side length (run). What is the slope of the line?

• 2

• -2

Tags

CCSS.8.EE.B.5

The height of an Elm tree in inches, y, and the number of years, x, is in a proportional relationship. Suppose an Elm tree grows 8 inches each year. What equation represents this relationship?

• y = 8 x

• 8 = y (x)

• x + y = 8

Tags

CCSS.6.EE.C.9

• y = -5x

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

A turtle is crawling up a hill that rises 6 feet for every horizontal change of 36 feet. Which of the following represents the slope of the hill, as a fraction in simplest form?

Tags

CCSS.8.EE.B.5

You are selling tickets. You make $50 for signing up to sell tickets. You also make $0.75 for each ticket you sell. Write an equation in slope-intercept form that represents how much money you make, y, for selling x tickets.