Ch 3 Retake (pt 1)

Find the slope of the line.

• 1/2
• -1/2
• 2
• -2

Tags

CCSS.8.EE.B.5

What is the slope?

• 1/2
• 2
• 7
• 3

Tags

CCSS.8.EE.B.5

Which graph shows a proportional relationship between x and y?

• A
• B
• C
• D

Tags

CCSS.7.RP.A.2D

If y vaires directly with x and y= 12 when x= 15. What is the value of x when y= 16?

• 12.8
• 20
• 11.25
• 19

If y is directly proportional with x, and y=10 when x=16, write an equation in the form y=kx.

• y=8/5x
• y=5/8x
• x=5/8y
• y=x-6

Which equation matches the graph? (Click me to see the image)

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

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.2

CCSS.8.F.A.3

CCSS.8.F.B.4

Write the equation of the line that goes through points (-2, -1) and (-3, 5) in slope intercept form.

• y = 6x + 13
• y = -6x - 13
• y = -1/6x + 1
• y = 1/6x - 1

Tags

CCSS.HSA.CED.A.2

Which of these represents point-slope form of a linear equation?

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

Write the equation in point-slope form of the line that passes through the given point and has the given slope.
(4, -7); m = -1/4

• y +7 = -1/4(x - 4)
• y - 4 = -1/4(x + 7)
• y+ 7 = 4(x - 4)
• y - 7 = -1/4(x - 4)

Tags

CCSS.8.EE.B.6

CCSS.8.F.B.4

Write the equation in point-slope form for the line that contains the points
(-2, -3), (4, 3)

• y - 3 = 1(x - 2)
• y + 3 = 1(x + 2)
• y -3 = -1(x + 2)
• y + 3 = -1(x - 2)