Graphing Lines and Slope Intercept Form Quiz

What is the slope of the line represented by the equation y = 2/3x - 4?

• 4

• 3/2

• -4

• 2/3

In the equation y = -1/3x + 6, how is the negative sign applied to the slope?

• To both numerator and denominator

• To the denominator only

• To the numerator only

• It is not applied

What is the y-intercept of the line y = x?

• 0

• 1

• -1

• x

If a line has a slope of 1, what is the slope of a line perpendicular to it?

• Undefined

• 1

• -1

• 0

What is the slope of a line parallel to y = 3x + 4?

• -1/3

• 3

• -3

• 1/3

How do you find the y-intercept of a line parallel to y = 3x + 4 that passes through the point (-2, 7)?

• Use the x-coordinate

• Solve for b using the point

• Use the slope only

• Use the same y-intercept

What is the negative reciprocal of a slope of 2?

• -1/2

• 1/2

• -2

• 2

If a line has a slope of -2, what is the slope of a line perpendicular to it?

• 2

• -2

• -1/2

• 1/2

What is the equation of a line perpendicular to y = 1/2x + 3 that passes through the point (-4, 2)?

• y = -2x - 6

• y = 1/2x - 6

• y = 2x + 6

• y = -1/2x + 6

How do you determine if two lines are parallel?

• They have the same y-intercept

• They have the same slope

• They intersect at a right angle

• They have different slopes