Question 5

Solving Quadratic Equations

Solve the quadratic equation - 2x² - 12x + 80 = 0 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.

-b-√b² - 4ac

Let x₁

=

x1 =

X1

2a

x1 =

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

- 2x² 12x + 80 = 0

and x2 =

Exact Form

-b+ √b² - 4ac

2a

Approximate Form

-

Question Help: Video Message instructor

x2 =

x2 =

Exact Form

Approximate Form