Test - Unit 4 - Writing Linear Equations

What does the "b" stand for in y=mx+b?

• slope
• x-intercept
• y-intercept

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the slope of the equation: 2y + 4x = 8

m = ?

What is the slope of the line passing through the points (3,5) and (-1,7)?

• -1/2
• -1
• -2
• 1/2

Tags

CCSS.8.EE.B.5

What is the equation for the line that passes through the points (4,2) and (0,6)?

• y = x + 6

• y = -2x + 2

• y = -x - 6

• y = -x + 6

• y = 6x - 1

What letter represents the slope of a line in the equation y = mx + b?

the letter is ____.

Write a linear function f with the values f(0) = 6 and f(4) = -6.

Write the equation out in this form: y = -7x - 2 where there is a space between each term and between the =.

• y = -3x + 6

• y=-3x+6

• y = -3x +6

• y = -3x+6

• y= -3x+6

Write an equation of the line that passes through (3,1) and is parallel to the line y = 3x + 1.

What is the value of b in the equation you wrote?

b = ?

What is the slope of the line that is perpendicular to the line y = -5x + 3?

• 5
• 1/5
• -1/5
• -5

Tags

CCSS.HSG.CO.A.1

Write an equation for a line that is perpendicular to the graph shown and passes through the point (4,-1)

• y = 2x + 3

• y = .5x - 3

• y = .5x - 1

• y = -2x + 1

• y = -3x - 2

A fitness club opens with 80 members. Each month the membership increases by 15 members. Which equation represents the relationship between the number of months the club has been opened, x, and the total fitness club membership, y?

• y=15x
• y=15x+80
• y=x+15
• y=80x+15

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2