Slope and Writing Equations

What is the equation of the line?

• y = -3/4x + 3
• y = 4/5x + 3
• y = -4/5x + 3
• y = -4/5x

What TWO things do you need to write a linear equation? Check both things!

• Slope

• Y-intercept

• Y - axis

• Standard form

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What equation matches this graph?

• y = 2x + 2
• y = 3/2x + 2
• y = 1/2x + 2
• y = 2/3x + 2

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Write the equation of the line that passes through the point (4, -2) and has a slope of -1/2.

• y = -1/2x + 3
• y = -1/2x
• y = -1/2x + 4
• y = -1/2x - 4

Write a linear function that has a slope of -2 and passes through the point (-3, 4).

• f(x) = -2x - 2

• f(x) = -2x + 4

• f(x) = =2x + 3

• f(x) = -2x + 2

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Write the equation of a line that passes through the point (4, -1) and has a slope of 2.

• y = 2x - 9

• y = 2x + 4

• y = 2x -7

• y = -2x + 9

Write the equation in point-slope form of the line that passes through the given point and has the given slope.
(4, -7); m = -1/4

• y +7 = -1/4(x - 4)
• y - 4 = -1/4(x + 7)
• y+ 7 = 4(x - 4)
• y - 7 = -1/4(x - 4)

Write the slope-intercept form of the equation with the given point and slope.

m = 5 through ( - 1, - 3 )

• y = 5x + 2

• y = - 5x - 5

• y = - 5x + 2

• y = 2x - 5

Write an equation

m = - 1/2 through ( -2, 4 )

• y = - 3/2x + 3

• y = 3/2x + 3

• y = - 1/2x + 3

• y = 3x - 3/2

Write the equation of the line.

• y=(1/3)x-1
• y=(3/2)x -1
• y=3x-1
• y=(2/3)x-1