Finding Solutions for Quadratics

How many solutions does this graph have?

• one

• two

• no solutions

• cannot be determined

How many solutions does this graph have?

• one

• two

• no solutions

• cannot be determined

Find the axis of symmetry for
f(x) = x²- 8x + 15.

• x = -4

• x = 4

• y = 4

• y = -4

What does factored form of a quadratic equation look like?

• y=ax²+bx+c

• y=a(x-h)²+k

• y=a(x-p)(x-q)

Identify tha a in the quadratic equation.

f(x) = -2x² + 4x - 6

• -2

• 4

• -6

• none

What is the equation of the graph?

• y=(x+4)(x+2)

• y=(x-4)(x-6)

• y=x²+4x+5

• 2(x+5)²-6

Tags

CCSS.HSF-IF.C.7A

Identify tha c in the quadratic equation.

f(x) = -2x² + 4x - 6

• -2

• 4

• -6

• 6

Solve the following quadratics equation by completing the square... x² + 4x + 1 = 0

• x = -2 ± √3

• x = -3 ± √2

• x = 2 ± √3

• x = 2 ± √2

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratics equation by completing the square...

x² + 12x + 8= 0

• x = -6 ± 2√7

• x = 6 ± 2√7

• x = 28 ± √6

• x = -28 ± √6

Tags

CCSS.HSA-REI.B.4B

x² + 10x = -9

• 1 and -12

• -1 and -9

• 1 and -9

• 1 and -1

Tags

CCSS.HSA-REI.B.4B