Question 9

Simplifying Quadratic Expressions

Simplify each of the following. 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.

- (36) + V

(36)² – 4(3)(81)

2(3)

Exact Form

Approximate Form

−(5) + √(5)² − 4(1)(−1)

2(1)

Exact Form

Approximate Form

−(−16) + √√(−16)² − 4(−2)(66)

V

2(-2)

Exact Form

Approximate Form

− (24) + √√ (24)² − 4(9)(16)

2(9)

Exact Form

Approximate Form