How do you change a fraction into an improper fraction. Use this example 6 1/2

In this example the answer is 13/2
Explanation:
To write a mixed number as an improper fraction, first, multiply the whole number by the denominator of the fraction:
6 x 2 = 12
Then, add the numerator to the result from the previous step (this result is the numerator of the improper fraction:
12 + 1 = 13
Write the new number over the denominator of the fraction in the original mixed number:
13
2

The answer is option c.

First subtract 10 from both side
y^2+6y-16=0
(y+8)(y-2)=0
-8 and 2