Question

http://prntscr.com/1567al

Answer 1

add u and v

Answer 2

i terms cancel out, eh ?

Answer 3

At the x-intercepts, the values of y is zero...
therefore to find the x-intercepts, plug in zero wherever you see y....
i think that has already being done for you in the question.....so you could just use the quadratic formula to find x..

Answer 4

do you know the quadratic formula??....
do you understand what i am saying??

Answer 5

yep i solved it the answers resembles the Option B

Answer 6

is it right

Answer 7

i got the same answer as you......

Answer 8

and i told you that, at the x-intercepts the y(coordinates) is zero...that is why there is a zero
at the y-coordinate column...

Answer 9

yep thanks

Answer 10

you are welcome....