Question

when a quadratic function is in its factored form, the point where the graph intersects the x-axis can be identified without making any manipulation of the equation. True or False?

Answer 1

this is true :)

Answer 2

It works as; for example; \[x ^{2}+2x+1\]
when factored gives: \[(x+1)^{2}\] correct?
now looking solely at the (x+1)
x+1=0
x=-1
The point where the graph intersects is -1

in this case it worked like this due to the easy numbers, but when any other quadratic equation is used, it still can be seen to work

Answer 3

:D thanks

Answer 4

You're welcome! :)