Lessons 3-1 to 3-4 Quiz Review

Which of the following is an example of point-slope form?

• y = 4x + 1

• y - 2 = -5(x - 3)

• 2y + 3x = 7

• y = -x - 9

Which of the following is an example of standard form?

• y = 4x + 1

• y - 2 = -5(x - 3)

• 2y + 3x = 7

• y = -x - 9

Which of the following is an example of slope-intercept form?

• y = 4x + 1

• y - 2 = -5(x - 3)

• 2y + 3x = 7

• 5x + 2y = -6

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the y-intercept for the line in equation y = -3x + 4?

• -3

• 4

• 3

• 0

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the slope of the line in equation y + 2 = -4(x - 7)?

• -4

• 2

• 7

• 4

Tags

CCSS.8.EE.B.5

A line has an x-intercept of -4 and a y-intercept of 3. What is the equation of the line in standard form?

• x + 3y = -4

• 4x - y = 3

• x - y = -4

• 3x - 4y = -12

Jamie is losing weight at a constant rate. After 3 weeks, Jamie weighs 150 lbs. After 7 weeks, Jamie weighs 134 lbs. What is the equation in standard form for Jamie's weight over time?

• 4x + y = 27

• 3x - y = 150

• x + 4y = 162

• 2x - y = 134

Sarah’s savings account balance is increasing at a constant rate. After 2 months, her balance is $320. After 8 months, her balance is $500. What is the equation in point-slope form using the point (2, 320)?

• y - 320 = 30(x - 2)

• y - 500 = -30(x - 8)

• y - 320 = -30(x - 2)

• y - 500 = 30(x - 8)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Which of these represents the standard form of a linear equation?

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

Tags

CCSS.HSA.CED.A.2