Key Attributes of Linear Functions

What is the y-intercept of the line below?

• ( 2,0 )

• (0,2)

• (-1,0)

• (0,-1)

What is the x-intercept of the graph?

What is the y-intercept of the graph?

What is the slope-intercept form?

• y = mx + b

• y = bx + m

• y = bm + x

A function that has a constant rate of change

• Linear

• Exponential

• Quadratic

The function g is a linear function with g (0) = u and

g (2) = 3u , where u is a positive constant. Which of the following defines g (x)?

• g (x) = ux

• g (x) = u + x

• g (x) = ux + u

• g (x) = 2ux + u

What is a linear function?

• Has a constant rate of change (its graph is a straight line)

• Does not have a constant rate of change (its graph is not a straight line

• Has a constant rate of change (its graph is not a straight line)

• Does not have a constant rate of change (its graph is a straight line)

The function g is a linear function with g (0) = u and

g (2) = 3u , where u is a positive constant. Which of the following defines g (x)?

• g (x) = ux

• g (x) = u + x

• g (x) = ux + u

• g (x) = 2ux + u

Which variable represents the y-intercept?

• m

• x

• b

• y

The graph of a linear function is shown.

What is the x-intercept of the line

• (0,4)

• (4,0)

• (-2,0)

• (0,-2)