Question

What are the solutions?
y=k^2-16k-4

Answer 1

y−k

​2

​​ +16k+4=0

2 Use the Quadratic Formula.

k=\frac{-16+2\sqrt{y+68}}{-2},\frac{-16-2\sqrt{y+68}}{-2}k=

​−2

​

​−16+2√

​y+68

​

​​

​​ ,

​−2

​

​−16−2√

​y+68

​

​​

​​

3 Simplify solutions.

k=8-\sqrt{y+68},8+\sqrt{y+68}k=8−√

​y+68

​

​​ ,8+√

​y+68

​

​​

Explanation: