Question

Fill in the missing term so that the quadratic equation has a graph that opens up, with a vertex of
(– 3, – 25), and x intercepts at x = -8 and x = 2.

y = x^2 + 6x − ___

Answer 1

the last term is the product of the zeros of this function

Answer 2

soooooo...................................

Answer 3

so multiply

Answer 4

what do i multiply

Answer 5

the zeros ( = the x -intercepts)

Answer 6

so (x+8)(x-2)?

Answer 7

when y = o x = -8 and +2

Answer 8

yes

Answer 9

-16?

Answer 10

so expanding those brackets gives what as the last term?

Answer 11

yes

Answer 12

ok thanks