Pre Algebra Module Six

What is the formula for standard form?

• y=mx+b
• y-y₁=m(x-x₁)
• Ax+By=C
• rise÷run

For f(x) = 2x -5 and y-2x = -5, determine which statements are true.

• They have the same slope.

• They have the same y-intercept.

• They have different y-intercepts

• They have different slopes.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Write the linear function in slope intercept form.

y = -3x + 5

• y = -3x + 5

• 3x + y = 5

• 3x - y = 5

• -3x + y = -5

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Write the linear function in standard form.

y = -4x - 5

• y = -3x + 5

• 4x + y = -5

• 4x - y = 5

• -4x + y = -5

Write an equation in standard form for the graph.

• x-2y=-4

• x+2y = 4

• x+2y=-4

• -x-2y=-4

Write an equation in point-slope form for a line that includes the origin and (-4,8)

• y-8 = -2(x-4)

• y-0 = -2(x-0)

• y-0 = -2(x-8)

• y-0 = 2(x-0)

• y-8 = -2(x+4)

Find the x-intercept of 4x-7y = 16

• x=4

• (4,0)

• (0,4)

• y=4

Write an equation in standard form for a line that passes through (3,5) and (0,-4).

• 3x + y = -4

• -3x + y = -4

• -3x + y = 4

• -3x - y = -4

A landscape service charges customers a one-time fee and an hourly rate of $20. For 4 hours, it charges $95. What is their one time fee?

• $20

• $15

• $25

• $95

Tags

CCSS.7.EE.B.4A

Line m includes the points (4,3) and (0, 7). Line n has the same y-intercept as line m and a slope of -2. Write the equation for line n in slope-intercept form.

• y=-2x -7

• y=2x+3

• y=-2x+7

• y=-1x-2