Algebra Unit 4

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

• 4
• -2
• 2
• -4

Tags

CCSS.8.EE.B.5

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

• y
• m
• x
• b

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Write an equation for the line that passes through the point (5, -4) and is parallel to the line y = 2x + 3.

• y = -2x + 14
• y = 2x - 14
• y = 2x - 6
• y = -1/2x + 6

Given the three equations, decide which answer describes them.
A)   y = 4x + 2
B)   x + 4y = 3
C)   -8y - 2x = 16

• A  is parallel to C
• B is parallel to A
• C is perpendicular to A
• B is perpendicular to C

Graph. y = 2/3x - 3

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Graph. 3x + 4y = 12

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Write an equation

m = 5/4 through (-4, -3)

• y = 5/4x +2

• y = -5/4x + 2

• y = 2x - 5/4

• y = 3/4x + 2

Write the equation of a line that contains the point (3, 5) and has a slope of 3 in slope-intercept form.

• y = 3x - 4
• y - 5 = 3(x-3)
• y = 3x + 14
• y + 5 = 3(x+3)

What is the equation of the line that has a slope of 5 and goes through the point (2,7)?

• y = 5x + 3
• y = 1/5x - 3
• y = 1/5x + 3
• y = 5x - 3