Quadratic Functions Quiz

What is the green dot on the parabola called?

• maximum

• minumum

• roots

• zeros

What is the vertex?

• (2, 4)

• (3, -1)

• (0, 8)

• (4, 2)

After how many seconds did the water reach its maximum height? Choose the key feature and the answer.

• x-value of maximum, 2 seconds

• y-value of maximum, 9 seconds

• y-intercept, 0 seconds

• x-intercept, 3.8 seconds

• Find the vertex and plot points on either side.

• Use the quadratic formula to find the roots.

• Only plot the vertex and the y-intercept.

• Draw a straight line through the origin.

What is the quadratic formula?

What does the discriminant of a quadratic equation tell us?

• The number of real solutions

• The exact solutions of the equation

• The coefficient of the quadratic term

• The slope of the graph