Question

Find x so that the distance between the points is 5.
(0,0) and (x,-4)

Answer 1

@Hero can you help me with another one? <33

Answer 2

distance formulaaaaaaaaaaaaaaaaa
5=sqrt((x-0)^2+(-4-0)^2)

Answer 3

k, iget \[\sqrt{x^2 +16}\]

Answer 4

so how did my teacher get \[x= \pm 3\]

Answer 5

k solve for x then

Answer 6

square each side, subtract 16, take plusminus squareroot

Answer 7

set that to 0?

Answer 8

set it to 5, because thats the given distance :)

Answer 9

thx for both answers but ima give the medal to Monopoly since he came to me first :P

Answer 10

@monopoly or @Hero can u help me with another problem pls? :D