Writing Linear Equations from Graphs

Write the equation of the line.

• y = -2/3x + 4

• y = 2/3x + 4

• y = 3/2x + 4

• y = -3/2x + 4

What does 'b" represent in y=mx+b

• y-intercept

• macaroni

• nothing

• slope

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Which equation matches the graph? (Click me to see the image)

• y = 2x

• y = 1/4 x + 2

• y = 1x + 4

• y = -2x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Write the equation of the line.

• y = -1/3x - 2

• y = 1/3x - 2

• y = 3x - 2

• y = -3x - 2

Write an equation that you could use to find the distance (y) that a train travels in x hours. (hint: look at the graph and find out how far it goes in 1 hour)

Mathematical Equivalence

ON

Tags

CCSS.8.EE.B.5

Write the equation of the line.

• y=(1/3)x-1

• y=(3/2)x -1

• y=3x-1

• y=(2/3)x-1

Which of the following equations may be used to represent the graph shown?

• y = -0.5x + 3

• x + 2y = 6

• y - 1 = .0.5(x - 4)

• All may be used to represent the graph.

The graph shows a linear relationship between x and y. Write an equation that represents this linear relationship?

​ (a)   =​ ​ (b)   ​ (c)   ​ (d)  

• -1/2

• y

• x

• +2

• -2

• 1/2

• -4

• +4

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Write the equation for the given graph

Mathematical Equivalence

ON

Answer explanation

The line crosses at the y-axis at the point

Which equation represents the following graph?

• y = 3x + 2

• y = -2x + 3

• y = 2x + 3

• y = -3x + 2