Algebra 2 Linear Functions

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

• y = mx + b

• y = mx - b

• y = mx^2 + b

• y = ax + b

Graph the linear equation y = 2x + 3.

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

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

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

• The graph of the linear equation y = 2x + 3 is a straight line that passes through the points (0, 3), (1, 5), (-1, 1), and so on.

Write the equation of a line in point-slope form with a slope of 4 and passing through the point (2, 5).

• y = 4x + 5

• y = 4x - 3

• y = 4x - 5

• y = 4x + 3

Find the slope of the line passing through the points (-2, 4) and (3, -1).

• -1

• 5

• 2

• 0

Graph the linear equation y = -3x + 2.

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

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

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

• The graph of the linear equation y = -3x + 2 is a hyperbola.

Write the equation of a line in point-slope form with a slope of -1/2 and passing through the point (4, -3).

• y = (1/2)x - 1

• y = (-1/2)x - 1

• y = (-1/2)x + 1

• y = (1/2)x + 1

Find the domain of the function f(x) = 2x + 1.

• (-∞, 1)

• (0, +∞)

• (-∞, +∞)

• (-∞, 0)

Find the range of the function f(x) = -3x + 4.

• Only negative numbers.

• All real numbers

• Only positive numbers.

• Only integers.

Graph the linear equation y = 1/2x - 3.

• The graph of the linear equation y = 1/2x - 3 is a vertical line.

• The graph of the linear equation y = 1/2x - 3 is a parabola.

• The graph of the linear equation y = 1/2x - 3 is a curve.

• The graph of the linear equation y = 1/2x - 3 is a straight line that passes through the point (0, -3) and has a slope of 1/2.

Write the equation of a line in point-slope form with a slope of 3/4 and passing through the point (-1, 2).

• y - 2 = (3/4)(x + 1)

• y - 2 = (3/4)(x - 2)

• y - 2 = (4/3)(x + 1)

• y - 2 = (3/4)(x - 1)