Ch 9: Test Review Quadratic Equations

Which value is the vertex?

• (-4, 0)

• (-1, -9)

• (0, -8)

• (2, 0)

Does this graph have a maximum or a minimum?

• maximum

• minimum

• I am not sure.

• neither

What are the zeroes of this graph?

• x = -4 and 2

• x= -1 and 0

• x = 9 and -8

• x= 4 and -2

What is the axis of symmetry formula?

• y = mx+b

• y = ax²+bx+c

• b² - 4ac

• x = -b/2a

When using factoring to solve a quadratic equation, what must be true?

• The equation must be set equal to 1.

• The equation must be set equal to 10.

• The equation must be set equal to 0.

• It is not necessary to set the equation equal to anything.

Solve the equation by factoring.

• x = {3,8}

• x = {-3,8}

• x = {3,-8}

• x = {-3,-8}

How many solutions can a quadratic have?

• 1 solution

• 3 solutions

• 0 solutions

• 2 solutions

What can the roots to a quadratic equation be called?

• zeros

• solutions

• x-intercepts

• none of the choices

What is the quadratic formula?

• 
• 
• 
• 

What is the equation for standard form?

• y = x² + bx + c

• y = ax² + bx + c

• y = mx + b

• Ax + By = C