AA - Week 5 Vocab HW- 3rd 9 Weeks

Front

Solve the quadratic inequality: \( (x+2)(2x-3) > 0 \)

Back

\( x < -2 \ or \ x > \frac{3}{2} \)

Front

Solve the quadratic inequality: \( (x-8)(x+3) > 0 \)

Back

\( x < -3 \ or \ x > 8 \)

Front

First step in factoring?

Back

Look for the greatest common factor (GCF) of the terms.

Front

First step in solving a quadratic equation using the quadratic formula?

Back

Set the equation equal to 0.

Front

Discriminant:

Back

b² - 4ac

Front

What does the discriminant tell us?

Back

The number and type of solutions

Front

If $x^2=9$, then

Back

$x=\pm3$

Front

The imaginary number i equals

Back

\sqrt[]{-1}

Front

i² = ?

Back

-1