Question

Explain how to graph x – 2y = 4 using the x- and y-intercepts method. Be sure to use complete sentences and use the x- and y-intercepts method only.

Answer 1

do you know how to find the x and y intercept ?

Answer 2

y= mx+b?

Answer 3

to find the x intercept, sub in 0 for y.
x - 2y = 4
x - 2(0) = 4
x - 0 = 4
x = 4
to find the y intercept, sub in 0 for x
can you find the y intercept ?

Answer 4

if you are looking for x let y=0 then if y let x=0

Answer 5

then use ax+by=c

Answer 6

i dont know the y-intercept but i know you sub 0

Answer 7

x - 2y = 4
0 - 2y = 4
can you finish this to solve for y ?

Answer 8

y = 2

Answer 9

try again...don't forget about your negative sign

Answer 10

y = -2

Answer 11

the x-unit (4,0) the y unit (0,2)

Answer 12

that is the graph

Answer 13

correct....and as sammy said, x unit is (4,0) and y unit is (0,-2)
plot those points and connect them with a line.

Answer 14

yes :)

Answer 15

that is the graph

Answer 16

but can you explain how to move on the graph

Answer 17

you got a point on the x line on 4 and a point on the y line at -2.
x - 2y = 4 change to y = mx + b
-2y = -x + 4 (divide by -2)
y = -1/-2x + 4/-2
y = 1/2x - 2
in y = mx + b, the m is your slope. Therefore your slope is 1/2
rise/run. now go to the -2 on your y axis. Go up 1 and to the right 2 and up 1 to the right 2 and you should reach the x axis at 4.

Answer 18

does that make sense ?

Answer 19

yes it does thanks a billion <3

Answer 20

anytime :)