What two numbers add to 7 and multiply to -44

The numbers are 11 and -4

Step-by-step explanation:

Given

Let the two numbers be and

such that:

Required

Find x and y

Make y the subject in:

Substitute in

Open bracket

Rewrite as:

Expand

Factorize

Factor out x + 4

Solve for x

Recall that:

So:

or

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value

b

step-by-step explanation: