Linear Functions HW

What is the slope-intercept form of a linear equation?

• y = mx^2 + b

• y = mx - b

• y = ax + b

• y = mx + b

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

• y = 3x + 2

• y = 2x - 3

• y = -2x + 3

• y = 2x + 3

Graph the linear equation y = 2x + 1.

• The graph of the linear equation y = 2x + 1 is a parabola.

• The graph of the linear equation y = 2x + 1 is a straight line passing through the points (0, 1) and (1, 3).

• The graph of the linear equation y = 2x + 1 is a circle.

• The graph of the linear equation y = 2x + 1 is a hyperbola.

Find the y-intercept of the line represented by the equation 3x - 2y = 6.

• -2

• -3

• 4

• 0

What is the slope of a horizontal line?

• 1

• undefined

• infinity

• 0

Graph the line represented by the equation y = -3x + 4.

• The graph of the line represented by the equation y = -3x + 4 is a vertical line.

• The graph of the line represented by the equation y = -3x + 4 is a straight line with a slope of -3 and a y-intercept of 4.

• The graph of the line represented by the equation y = -3x + 4 is a horizontal line.

• The graph of the line represented by the equation y = -3x + 4 is a parabola.

Find the y-intercept of the line with the equation 2x + 5y = 10.

• 5

• -2

• 2

• 0

What is the slope of a vertical line?

• positive

• zero

• undefined

• negative

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

• y = -2x + 2

• y = -1/2x - 2

• y = -1/2x + 2

• y = 1/2x + 2

Graph the linear equation y = 4x - 3.

• The graph of the linear equation y = 4x - 3 is a hyperbola.

• The graph of the linear equation y = 4x - 3 is a circle.

• The graph of the linear equation y = 4x - 3 is a straight line passing through the points (0, -3) and (1, 1).

• The graph of the linear equation y = 4x - 3 is a parabola.