Linear Quadratic and Exponential Functions

Which of the following describes the shape of a linear function?

• increasing, decreasing, or horizontal line

• parabola (U-shape) with min or max

• curve with horizontal asymptote

Which of the following describes the shape of a quadratic function?

• increasing, decreasing, or horizontal line

• parabola (U-shape) with min or max

• curve with horizontal asymptote

Which of the following describes the shape of an exponential function?

• increasing, decreasing, or horizontal line

• parabola (U-shape) with min or max

• curve with horizontal asymptote

Which of the following correctly explains how to tell if a table is linear, quadratic, and exponential?

• Linear: same 1st difference

  Quadratic: same 2nd difference

  Exponential: same ratio when dividing

• Linear: same 2nd difference

  Quadratic: same 1st difference

  Exponential: same ratio when adding

^{What is the x- intercept of the line?}

• (0,-2)

• (0,-1)

• (-1,0)

• (-2,0)

What is the y-intercept of the line?

• (-1,0)

• (1,0)

• (0,-2)

• (0,-1)

_{What is the x-intercept of the line?}

• (-.5,0)

• (.5,0)

• (0,.5)

• (0,-.5)

What are the x- and y -intercepts on this graph?

• (0,5), (0,5)

• (5,0), (5,0)

• (5,0), (0,5)

• (0,0), (5,0)

What is the vertex?

• (-3, 0)

• (3, 0)

• (0, 18)

• (18, 0)

Does the graph have an axis of symmetry or asymptote?

• axis of symmetry

• asymptote