Quiz 4.1 & 4.2: Key Features of Linear Functions

Solve for y
8x + 2y = -10

• y = -8x + 5
• y = -4x - 5
• y = -¹/₄ x - 10
• y = -¹/₄ x - 5

Tags

CCSS.6.EE.C.9

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:
 (-2, -1); m= -3

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

What is the y-intercept of the graph of 3x+4y=24

• -6
• 6
• 15
• -15

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

For the equation
y + 1 = -3(x - 5),
the line contains the point (5, -1) and has a slope of?

• -1
• 1
• -3
• 5

Rewrite to slope intercept form.
y - 4 = 2(x + 6)

• y = 2x + 10
• y = 2x + 8
• y = 2x + 16
• y = 2x + 20

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the x and y intercept for the following equation ?
4x - 10y = 20

• x - int = - 4    
  y-int = 10
• x-int = 5
  y-int = 2
• x - int = 5
  y int = -2
• x -int = 4
  y -int = -10

Find the slope of the graphed line.

• 4/5
• 5/4
• -5/4
• -4/5

Tags

CCSS.8.EE.B.5

Find the slope of the graphed line.

• -3/4
• 4/3
• 3/4
• -4/3

Tags

CCSS.8.EE.B.5

The slope of the skier's path in the picture is ...

• Positive
• Negative
• Zero
• Undefined

Tags

CCSS.8.EE.B.5