Writing Linear Equations

Write the equation for the graph.

• y = 5x - 3

• y = 4x + 2

• y =-2x + 5

• y = - 2x + 4

What is the equation of this line?

• y = 0

• undefined

• y = -2

• x = -2

The graph represents the height of a burning candle.  What is the meaning of the y-intercept?

• the time it takes to burn the entire candle

• the rate at which the candle is losing height

• the change in the height of the candle each hour

• the original height of the candle

What is the algebraic equation for this table?

• y = x + 3

• y = 3x

• y = x ÷ 3

• y = x - 3

What is the equation of the linear function?

• y = -3x + 10

• y = -3x + 16

• y = 3x + 10

• y = 3x + 16

Write the equation of the line that passes through the point (-5, 5) and has a slope of -8/5.

• y = -(8/5)x - 3

• y = -(8/5)x + 3

• y = -(8/5)x +13

• y = -(8/5)x - 13

Write the equation of the line passing through the points (-4,1) and (-3,2).

• a

• b

• c

• d

Find the equation of the line that passes through the points:

(-3, 3) and (3, -1)

• y = -⅔ x + 1 

• y = -⅔ x  

• y = ⅔ x + 1 

• y = -⅔ x +3 

A fitness club opens with 80 members. Each month the membership increases by 15 members. Which equation represents the relationship between the number of months the club has been opened, x, and the total fitness club membership, y?

• y=15x

• y=15x+80

• y=x+15

• y=80x+15

Rich is a member of a gym. The equation below represents the monthly amount Rich pays for his membership to the gym per month for x visits.

y=3x+10

What does the y-intercept of the graph of this equation represent?

• The monthly fee

• How much Rich pays per visit

• The number of times Rich goes to the gym

• The total cost at the end of the month