Finding Equation of the Line

• y=  $\frac{2}{3}$  x +8

• y= -  $\frac{2}{3}$  x -8

Frank had 5 gallons of gasoline in his bike. After driving 100 miles, he had 3 gallons left. Find an equation that will represent the gas in the tank and the miles travelled.

• y= $\frac{1}{50}$ x - 5

• y= $\frac{1}{50}$ x + 5

• y= - $\frac{1}{50}$ x - 5

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

The graph shows the cost for a person to send a text message using his regular load. Represents the cost (y) and the number of messages sent(x).

• y=-x

• y=x

• y=2x

• y=5x

Tags

CCSS.8.EE.B.5

Given the slope of a line is -5 and a point on the graph is (2, 4); which equation is an equation of the line?

• y = -5x + 4

• y = -5x - 2

• y - 4 = -5(x - 2)

• y + 4 = -5(x - 2)

Write the equation of the line.

• y=3/5x+1

• y=3/5x-1

• y=5/3x+1

• y=3/5x+1

Which equation generates this line?

• y=x

• y=x+1

• y=x+2

• y=x+3

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which equation generates this line?

• y=x

• y=x+1

• y=x+2

• y=x+3

The slope of a line is -2 and point on the graph is (-3, 3); write an equation of the line in point-slope form.

• y - 3 = -2 (x + 3)

• y - 3 = -2(x - 3)

• y + 3 = -2(x + 3)

• y + 3 = -2 (x - 3)

Given the point on the graph is (3, - 5) and the slope of the line is 1/3; write an equation of the line in point-slope form.

• y - 5 = 1/3(x - 3)

• y - 5 = 1/3(x + 3)

• y + 5 = 1/3(x - 3)

• y + 5 = 1/3(x + 3)

Which of the following is the equation of the line that has a slope of 3 and passes through the point (-1, 9)?

• y = -3x + 12

• y = 3x + 3

• y = 3x + 12

• y = 3x - 3