Question

The following is the graph of f(x) = x2 − 8x + 15

I said true

Answer 1

http://prntscr.com/1dtulr - Here's the graph

Answer 2

ithink no

Answer 3

How is it false?

Answer 4

the graph passes through 2,0
but if you put 2 in f(x) its not 0

Answer 5

At 0, it should be at 15, not 9.5.

Answer 6

check the one which passes throgh 3,0

Answer 7

or, look at the graph

sum of roots = 7
product of roots = 10
so the equation wud be x2-7x+10

Answer 8

Crap! I knew it! I looked at 0 and though it SHOULD be 15. And yes, THe products of roots is 10. Which declares it is false, Thanks guys!

Answer 9

yw !