Construct a Linear Function from Two Points

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

(-2, 4) and (1, 10)

• y = 2x - 1

• y = -2x + 1

• y = 2x + 8

• y = -2x

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

(2, 2) and (3, 4)

• y = 2x + 2
• y = -2x - 2
• y = -2x + 2
• y = 2x - 2

What is the formula for slope-intercept form?

• ax + by = c
• y = mx
• ax = by
• y = mx + b

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Write equation of the line containing (0,-3) and (4,1)

• y = 1x + 1
• y = 1x - 3
• y = -1x + 1
• y = -1x - 3

Write equation of the line containing (0,5) and (2,-1)

• y = -2x + 5
• y = -3x +5
• y = 2x + 5
• y = 3x + 5

What is an equation for the line that passes that passes through the points (1,1) and (3,5)?

• y = x + 2
• y = 1x -2
• y = 2x + 1
• y = 2x - 1

Write equation of the line containing (0,0) and (1,3)

• y = 1/3x + 2  2/3
• y = 3x + 2 2/3
• y = 1/3x + 0
• y = 3x + 0

When given two points and asked to write an equation, what is your first step?

• Find the slope
• Find the y-intercept
• Find the x-intercept
• Write the equation

Which point below is the coordinate representation of all y-intercepts?

• (0, m)
• (0, b)
• (m, 0)
• (b, 0)

What does the letter "m" represent?

• y-intercept
• origin
• slope
• x-intercept

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3