# Slope-intercept Quiz 2

14 Questions

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In the algebraic study of linear functions, a slope of a line is defined by the ratio of vertical difference between two points to the horizontal difference between the same points; i. E. The rise over the run.

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• 1.
What is the slope of the line given by the equation y = 8x + 8?
• 2.
What is the slope of the line given by the equation y = -3x - 6?
• 3.
Which letter represents the y-intercept in the slope-intercept equation of a line: y = mx + b?
• 4.
The _____ of a line is the set of all points (x, y) which satisfy the equation y = mx + b.
• 5.
Which letter represents the slope in the slope-intercept equation of a line: y = mx + b?
• 6.
What is the y-intercept of the line given by the equation y = 3x + 4?
• 7.
What is the y-intercept of the line given by the equation y = 2x - 1.3?
• 8.
True or False.  In the generalized slope-intercept equation of a line, the slope of the line is represented as the coefficient of the variable x.
• A.

True

• B.

False

• 9.
What is the y-intercept of the line shown below? Write your answer as a coordinate pair.
• A.

(0,-3)

• B.

(0,3)

• C.

(3,0)

• D.

(-3,0)

• 10.
Write the slope-intercept equation of the line shown below.
• A.

Y = 3x + 3

• B.

Y = 3x - 3

• C.

Y = -3x + 3

• D.

Y = -3x - 3

• 11.
What is the y-intercept of the line shown below? Write your answer as a coordinate pair.
• A.

(4, 0)

• B.

(-4, 0)

• C.

(0, 4)

• D.

(0, -4)

• 12.
Write the slope-intercept equation of the line shown below.
• A.

Y = -2x - 4

• B.

Y = 2x - 4

• C.

Y = -4x - 2

• D.

Y = 4x - 2

• 13.
Write the slope-intercept equation of the line that has slope -6 and y-intercept (0, 2).
• A.

Y = 6x - 2

• B.

Y = -6x - 2

• C.

Y = 6x + 2

• D.

Y = -6x + 2

• 14.
Write the slope-intercept equation of the line that has slope 2 and y-intercept (0, 9).
• A.

Y = 2x + 0

• B.

Y = 2x + 9

• C.

Y = 9x + 0

• D.

Y = 9x + 2