Question

The product of two numbers is 66. Their sum is 17. What are the two numbers?

Answer 1

11 and 6

Explanation:

x+ y = 17 or y = 17-x

and

xy = 66 sub in y = 17-x

x ( 17-x) = 66

-x^2 + 17x - 66 = 0 either factor this, or use quadratic formula to find

x = 6 y = 11

Answer 2

Then the two numbers are -11 and -6.