Question

What are the zeroes of f(x) = x2 + 5x + 6?

Answer 1

This will factor.

You need 2 numbers a and b where a * b = +6 and a +b = +5

to give factors (x + a)(x + b)

Answer 2

what do you think those numbers are?

Answer 3

2 and 3

Answer 4

right so we have
(x + 2)(x + 3) = 0

can you find the zeroes now?

Answer 5

-2 and -3

Answer 6

right

Answer 7

so is that it?

Answer 8

so the answer is -2 and-3 or 2 and 3?

Answer 9

OH sorry1 my bad thinking its -2 and -3. {-2, -3}

Answer 10

k thx!

Answer 11

yw