Equations of Lines

What does m represent in the formula y = mx + b?

• slope
• y-intercept
• x-intercept

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the b in the formula y = mx + b?

• slope
• y-intercept
• x-intercept

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the equation of the line in slope-intercept form that has a slope of 2 and goes through (3,4)? 

• y = -2x +2
• y = 2x +2
• y = -2x -2
• y = 4x +4

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

What is the equation of the line in slope-intercept form that goes through (2,1) and (4, 5)? 

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

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.SP.A.3

What is the equation of the line that goes through (3,4) and (9,-2)?  Use slope-intercept form.

• y = x -7
• y = 3x + 7
• y = x + 7
• y = -x + 7

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.SP.A.3

.Write the equation of the line where m = -1 and passes through the point (-2, 4)
(y = mx + b)

• x = -2
• y = 4x - 2
• b = 2
• y = -1x + 2

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

Write the equation where
m = 0 and passes through the point
(-3, 1)

• y = -3x + 1
• y = 1
• x = -3y
• 0

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

 Identify the slope and y -intercept in the equation:

• y = 2x - 2
• y = -2x + 2
• y = -2x + 4
• y = 2x + 4

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Write the equation of the line that has a slope of 3 and passes through (5, 11)

• y = 3x - 4
• y = 3x  - 26
• y = 3x - 38
• y = 3x - 28

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

The equation of the following line is 

• x = 5
• x = 3
• x = 4
• x =7

Tags

CCSS.8.EE.B.6

CCSS.8.EE.C.7