Multiple Choice 10 points k^2-11k+28 (k-4)(k-7) (k+4)(k+7) (k+4)(k-7) (k+9)(k-7)

Question

Answer 1

The correct answer is

.To solve this problem, we need to factor the quadratic expression

.The factored form of a quadratic expression is

, where

and

are the roots of the equation.To find the roots, we can use the quadratic formula:

In this case,

,

, and

.Plugging these values into the quadratic formula, we get:

So the roots are

and

.Therefore, the factored form of the quadratic expression is

.

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