Quadratic Formula

Front

What are solutions of a quadratic equation also called?

Back

Roots, x-intercepts, zeros

Tags

CCSS.HSF-IF.C.7A

Front

If there are no real solutions, the discriminant is

Back

a negative number

Tags

CCSS.HSA-REI.B.4B

Front

The first step in solving quadratic equations is to...

Back

write the equation in standard form

Tags

CCSS.HSA-REI.B.4B

Front

If there is one solution, the discriminant is...

Back

zero

Tags

CCSS.HSA-REI.B.4B

Front

Why are quadratic equations set equal to zero?

Back

Because we are trying to find the x-intercepts and that happens when y=0.