quadratic equations

What can the roots to a quadratic equation be called?

• zeros

• solutions

• x-intercepts

• none of the choices

Solve the equation by factoring.

• x = {-5,-3}

• x = {5,-3}

• x = {-5,3}

• x = {5,3}

Does this graph have a maximum or a minimum?

• maximum

• minimum

• I am not sure.

• neither

Does this graph have any roots?

• yes

• no

• I am not sure.

What are the zeros of this graph?

• x = {-4, 2}

• (-4, 0 ) and (2, 0)

• x = {-1, 0}

• (-1, 9 ) and (0, -8)

Solve the equation by factoring.

• x = {1}

• x = {-1}

• x = { }

• no solution

What is the factored quadratic equation in the following graph?

• y=(x+2)(x+6)

• y=x²-8x+12

• y=(x-2)(x-6)

• y=(x-4)(x+4)

What is the equation of this parabola in its factored form?

• y=(x+1)(x+3)

• y=(x-1)(x-3)

• y=-(x+1)(x+3)

• y=-(x-1)(x-3)

What is the vertex?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

Solve the equation by factoring.

• x = {3,8}

• x = {-3,8}

• x = {3,-8}

• x = {-3,-8}