Quadratic Function Lesson

The standard form of a quadratic function is

• f(x)=x²+bx-c

• f(x)=ax²+bx+c

• f(x)=ax+b-c²

• f(x)=2x²+x

The y-intercept of the equation f(x)=4(x+3)²+2

• 12

• 6

• 18

• 7

Tags

CCSS.HSF-IF.C.7A

Determine the sum of the roots of the following quadratic equation.

5x²+6=7x

Tags

CCSS.HSA-REI.B.4B

Answer in the form y=a(x-m)(x-n)

Tags

CCSS.HSF-IF.C.7A

What is axis of symmetry of y=(x+8)(x-10)

• 9

• -9

• -1

• 1