Quadratic Equation from Roots

How many solutions are there?

• 0

• 1

• 2

• Cannot be determined

How many solutions are there?

• 0

• 1

• 2

• 3

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

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

What is another name for the x-intercepts of a quadratic?

• y-intercept

• Zeros

• x-axis

• They don't have another name

Tags

CCSS.HSF-IF.C.7C

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

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

Solve: x²=8x

• x=8

• x=0,8

• x=-8

• x=-8,0

Tags

CCSS.HSA-REI.B.4B

• 0

• 1

• 2

• 3