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Mathematics 7 Online
OpenStudy (anonymous):

is this right ?

OpenStudy (anonymous):

9x + 3y = 6 i think it goes with this chart

OpenStudy (campbell_st):

well the line has a y intercept at y = 2 and an x intercept at x = 2/3 hope this helps

OpenStudy (anonymous):

i think it goes with this graph

OpenStudy (campbell_st):

that graph doesn't go through y = 2

OpenStudy (cyber405):

Do you know how to draw a graph from its equation...?

OpenStudy (anonymous):

OpenStudy (campbell_st):

just look for a line that cuts the y axis at y = 2 and cuts the x axis at x = 2/3

OpenStudy (anonymous):

this one right

OpenStudy (campbell_st):

nope...you line has to cut the vertical axis at y = 2 and the horizontal axis at x = 2/3

OpenStudy (anonymous):

OpenStudy (campbell_st):

it makes more sense than your other choices.

OpenStudy (anonymous):

how do you know it has a vertical axis at y = 2 and the horizontal axis at x = 2/3

OpenStudy (anonymous):

the problem just says 9x + 3y = 6

OpenStudy (campbell_st):

it cuts the axis at y = 2 the equation is 9x + 3y = 6 to find the y intercepts let x = 0 so you need to solve 9*0 + 3y = 6 to find the x- intercept let y = 0 so solve 9x + 3*0 = 6

OpenStudy (anonymous):

what about x – 2y = 6

OpenStudy (campbell_st):

let x = 0 for the y- intercept so you need to solve -2y = 6 x- intercept let y = 0 and solve x = 6 thats not hard

OpenStudy (anonymous):

so how would i find it on a graph

OpenStudy (cyber405):

As campbell said Y intercept is (x=0) where graph cuts Y axis... X intercept is (y=0) where graph cuts X axis... and there is only one line which can cross these points... Draw it yourself and see which one is right graph.

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