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Algebra L9-2 Quiz v4

Last updated over 2 years ago

6 Nsɛmmisa

1

1

1

Asemmisa {{asɛmmisaAhyɛnsode}}

3.

What are the x-intercepts of the graph y=x^{2}-9x+14?

1

1

1

Asemmisa {{asɛmmisaAhyɛnsode}}

1.

What is the factored form of the function shown in the graph?

f(x)=(x+6)(x-3)

f(x)=(x-6)(x+3)

f(x)=(x-6)(x-3)

f(x)=(x+6)(x+3)

Asemmisa {{asɛmmisaAhyɛnsode}}

2.

What are the solutions of the equation 2x^{2}-2x-12 = 0?

2 \textrm{ and } -3

-2 \textrm{ and } -3

-2 \textrm{ and } 3

2 \textrm{ and } 3

Asemmisa {{asɛmmisaAhyɛnsode}}

4.

If the vertex of a parabola is always located halfway between the x-intercepts, what are the coordinates of the vertex of the parabola y=x^{2}-9x+14?

Asemmisa {{asɛmmisaAhyɛnsode}}

5.

Solve the equation by factoring:
-3x^{2}+-21x-30=0

Asemmisa {{asɛmmisaAhyɛnsode}}

6.

A group of people set out to make the world's largest pizza. They end up baking a pizza so big that just the outer crust is 3 \textrm{ ft} wide! If the surface area of the exposed crust alone is 525\pi \textrm{ ft}^{2}, what is the radius of the inner part of the pizza covered with toppings?