Linear Equations and Graphs Quiz

What is the slope of the line represented by the equation y = 3x + 5?

• 3

• 5

• -5

• -3

What is the y-intercept of the equation y = -2x + 7?

• 2

• -7

• 7

• -2

Which equation represents a line with a slope of -4 and a y-intercept of 3?

• y = -4x + 3

• y = 4x - 3

• y = 4x + 3

• y = -3x + 4

What is the y-intercept of the line y = 3x - 9?

• (0, -9)

• (9, 0)

• (3, 0)

• (0, 3)

For the equation 4x - 2y = 8, what is the y-intercept?

• (-4, 0)

• (0, 4)

• (0, -4)

• (4, 0)

Which of the following represents a horizontal line?

• y = 4

• x + y = 5

• x = -2

• y = 3x + 1

The line y = -2x + 6 has which of the following properties?

• Negative slope and negative y-intercept

• Positive slope and negative y-intercept

• Negative slope and positive y-intercept

• Positive slope and positive y-intercept

If a line has a slope of 0, what will its graph look like?

• A line that slopes downward

• A vertical line

• A horizontal line

• A line passing through the origin

What is the slope-intercept form of a line passing through the point (0, 3) with a slope of -2?

• y = -2x + 3

• y = 3x - 2

• y = -2x - 3

• y = 2x + 3

Write the equation in point-slope form for a line passing through (1, 2) with a slope of 4.

• y + 2 = 4(x + 1)

• y - 2 = 4(x - 1)

• y - 1 = 4(x + 2)

• y - 2 = -4(x - 1)