Linear Relationship Quiz

What is the slope of a line that passes through the points (2, 5) and (4, 9)?

• 2

• 4

• 5

• 3

Graph the equation y = 2x + 3.

• The graph of the equation y = 2x + 3 is a straight line.

• The graph of the equation y = 2x + 3 is a circle.

• The graph of the equation y = 2x + 3 is a parabola.

• The graph of the equation y = 2x + 3 is a sine wave.

Write the equation of a line with a slope of -3 and a y-intercept of 2 in slope-intercept form.

• y = -3x + 2

• y = 3x + 2

• y = -2x + 3

• y = -3x - 2

What does the slope represent in a linear equation?

• The slope represents the rate of change or the steepness of the line.

• The slope represents the area under the line.

• The slope represents the y-intercept of the line.

• The slope represents the x-coordinate of the line.

Graph the proportional relationship represented by the equation y = 0.5x.

• The graph of the proportional relationship y = 0.5x is a straight line passing through the origin with a slope of 0.5.

• The graph of the proportional relationship y = 0.5x is a parabola.

• The graph of the proportional relationship y = 0.5x is a horizontal line.

• The graph of the proportional relationship y = 0.5x is a vertical line.

Find the slope of the line passing through the points (-1, 3) and (5, -1).

• 3/4

• 4/5

• -2/3

• 1/2

Write the equation of a line with a slope of 1/2 and a y-intercept of -4 in slope-intercept form.

• y = -4x + 1/2

• y = 2x - 4

• y = (1/2)x + 4

• y = (1/2)x - 4

What does the y-intercept represent in a linear equation?

• The y-intercept represents the slope of the line.

• The y-intercept represents the point where the line intersects the y-axis.

• The y-intercept represents the point where the line intersects the x-axis.

• The y-intercept represents the maximum value of the function.

Graph the equation y = -2x + 1.

• The graph of y = -2x + 1 is a parabola.

• The graph of y = -2x + 1 is a hyperbola.

• The graph of y = -2x + 1 is a straight line with a y-intercept of 1 and a slope of -2.

• The graph of y = -2x + 1 is a circle.

Find the slope of the line passing through the points (3, 4) and (3, 8).

• 2

• 1

• 0

• Undefined