algebra- leah smith

Question

write a quadratic function f whose zeroes are -12 and 2.

Answer 1

just change the sign of each zero and stick an x in front of them to get

x+12 and x-2

now multiply them together

(x+12)(x-2) = x^2 +10x -24

f(x) = x^2+10x -24 is a parabola with 2 x intercepts or zeroes, -12 and 2