Question

mY CALCULATOR KEEPS TELLING ME -6,-26
Find the intersection of y = 4x - 2 and y = -2x2 - 8x - 2

Select one:
a. (0, -2) and (6, 22)
b. (-1, 3) and (5, 20)
c. (0, 2) and (4, 8)
d. (0, -3) and (7, 10)

Answer 1

a.

Answer 2

How?

Answer 3

I put it in the calculator. Then I traced the graph

Answer 4

Your graph should look something like that, sorry for the horrendous graph.

Answer 5

ok

Answer 6

you can also do it algebraically, by using substitution or elimination methods

Answer 7

http://www.cpm.org/pdfs/skillBuilders/GC/GC_Extra_Practice_Section22.pdf

the following link explains everything on detail =)