Question 7

Let #1

Solving Quadratic Equations

Solve the quadratic equation 25x2 + 4 = -20x by using the Quadratic Formula. Write

your answers in Exact Form and in Approximate Form (Rounded to three decimal places

as needed). Note that in some cases, the Exact Form and the Approximate Form may be

the same.

=

x1 =

-b-√b² - 4ac

x₁ =

2a

<

Exact Form

>

Note: If only one solution exists, x2 will equal DNE

25x² + 4 = -20x

and x2 =

Approximate Form

-b + √b² - 4ac

2a

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(

x2 =

x2 =

Exact Form

Approximate Form