Question

i got a few questions
Q1) the origin and has a gradient of 2
Q2) -3y+9x

Answer 1

Q1) y = 2x

Answer 2

ahh this is Coordinate geometry
i dont get what does origin means

Answer 3

origin is where the axes cross, so the point (0,0)

Answer 4

ohhh okey
so the formula will be y-0=m(x-0)

Answer 5

yeah, except they tell you m (slope) the word gradient means the same thing.

Answer 6

but it say m=2 so it will be y-0=2(x-0)
is the answer 0=2x-y-0

Answer 7

y=2x would be the normal form, but yea it could also be 0=2x-y ... i'd put y=2x though.

Answer 8

thanks

Answer 9

The second question, I'm not sure what you're asking exactly.

Answer 10

Well the second question is to find the graidient-intercept form and i dont get it

Answer 11

like you mentioned, the normal form is y=mx+b where m is slope and b is the x-intercept.
So, what it's asking is for you to put
-3y+9x=0
in that form. (solve for y)

Answer 12

isnt x have to be first then y

Answer 13

cause my friend helped me with most of it except that question and he wrote on my work 0=ax+by+c

Answer 14

that form isn't "gradient-intercept" form. That form is defined as being y=mx+b
As I mentioned we need to solve for y;
we would start by isolating that variable...
-3y+9x=0
subtract 9x from both sides and then we have
-3y=-9x