Algebra Writing Equations Review

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

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

For the equation
y - 3 = 2(x + 4),
the line has a slope of 2 and contains what point?

• (-4, 3)
• (3, -4)
• (-3, -4)
• (-4, -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

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

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

• y = -1/4x + 6
• y = -1/4x - 6
• y = -1/4x - 8
• y = -1/4x + 8

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)

Given the graph, what is the equation of the line in point slope form?

• y - 20 = ½(x - 4)

• y - 20 = 5(x - 4)

• y + 20= 5(x + 4)

• y - 20 = 1(x - 4)

What is the equation of the line in point slope form given a slope of -12 and a point of (-4, -5)?

• y - 5 = -12(x - 4)

• y + 4 = -12(x + 5)

• y + 5 = -12(x + 4)

• y - 12 = -4(x + 5)

Find the slope  and y-intercept of:

2x - 3y = -12

• slope = 2/3, y-intercept = -12
• slope = -2/3, y-intercept = -3
• slope = 2/3, y-intercept = 4
• slope = -12, y-intercept = -3

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Find the slope and y-intercept of the following:

3x - y = 9

• Slope = 3, y-intercept = -9
• Slope = 9, y-intercept = 3
• Slope = 3, y-intercept = 9
• Slope = -1, y-intercept = 3

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3