For this case we have that by definition, the roots, or also called zeros, of the quadratic function are those values of x for which the expression is 0.
Then, we must find the roots of:

Where:

We have to:
Substituting we have:

By definition we have to:

So:

Thus, we have two roots:

Answer:

Answer:
$12.25
Step-by-step explanation:
2.5 yards of fabric * $4.90 per yard of fabric = $12.25. Hope this helps!
Answer:
A. A reflection over the x-axis
Your answer is y ≥ −10 + 5x/2