Question

What are two numbers that add up to 8 and whose product is as large as possible?

Answer 1

have you learned derivatives?

Answer 2

no sorry

Answer 3

hoe about completing the square?

Answer 4

mitchell......watch

Answer 5

Let x = one of the numbers
so 8-x = the second of the two numbers

we want to maximize the product of these two numbers

the product is x(8-x) - 8x - x^2

So graph this parabola, or use another method, to find your two numbers.