Quadratic formula

Quadratic formula

Multiple Choice

 $f\left(x\right)=-5x+7$   $g\left(x\right)=3x+10$  Find f(x)g(x)

• 25

• -45x^2-129x+43

• -34x^2+8

• 9x+3

Objective: today we will learn to use the quadratic formula to solve quadratic equations

ACT prep question

What is the purpose of a quadratic equation?

To find the roots of a quadratic

(Roots

Solutions

Zeros

X-intercept)

Quadratic formula