Writing equations from roots

Write the equation of the quadratic

whose roots are -4, -2.

• x²-6x+8

• x²+6x+8

• x²-4x-2

• x²-2x-4

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Write the equation for a parabola

that opens downward whose zeros are x = 1, x = 3.

• x²-4x+3

• x²+4x+3

• -x²+4x-3

• -x²-4x-3

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Write the equation of the parabola above with the given roots.

• x²-x-20

• x²+x-20

• -x²-x+20

• -x²+x+20

Write the function rule for the given graph.

• f(x)= (x-1)(x-5)

• f(x)= (x+1)(x+5)

• f(x)= -(x-1)(x-5)

• f(x)= -(x+1)(x+5)

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Which equation has the same solution as x²-6x-12=0?

• (x+3)²=21

• (x-3)²=21

• (x+3)²=3

• (x-3)²=3

Tags

CCSS.HSA-REI.B.4B

• (1)

• (2)

• (3)

• (4)

• (1)

• (2)

• (3)

• (4)

Tags

CCSS.HSA.APR.B.3

Write the equation for the graph in standard form.

• x²+2x-3

• x²-2x-3

• -x²+2x+3

• -x²-2x+3

Tags

CCSS.HSF-IF.C.7A

Write the equation for the graph in vertex form.

• f(x)=(x+1)²-4

• f(x)=(x-1)²+4

• f(x)=(x-1)²-4

• f(x)=(x+1)²+4

Tags

CCSS.HSF-IF.C.7A

Solve: x²=8x

• x=8

• x=0,8

• x=-8

• x=-8,0

Tags

CCSS.HSA-REI.B.4B