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Mathematics 8 Online
OpenStudy (anonymous):

i need to try and find the x and y intercepts of 3x=10... if anyone is able to walk me through to the answer, it will be very much appreciated

OpenStudy (anonymous):

To find x-intecepts, you let y = 0 and solve for x

OpenStudy (anonymous):

To find y-intercepts, let x = 0 and solve for y

OpenStudy (anonymous):

but how would i do that if there's no y in the equation??

OpenStudy (anonymous):

is 3x = 10 the complete equation?

OpenStudy (anonymous):

yes it is

OpenStudy (anonymous):

then if you solve that, you get x = 10/3, which is a vertical line. It will pass thru the x-axis at (10/3, 0) and it will never cross thru the y-axis, so it has no y-intercept

OpenStudy (anonymous):

ok i see that point. but it tells me to find the two points. and all this is just confusing..

OpenStudy (anonymous):

and the class that i'm in is a computer based learning. so there's no teacher to teach

OpenStudy (anonymous):

a vertical line has no y-intercept.

OpenStudy (anonymous):

You would just have to say none, or does not exisit for y-intercept

OpenStudy (anonymous):

ok. i'll try that out.. thank you so much for your help... i appreciate it very much

OpenStudy (anonymous):

Does it specifically ask for x- and y-intercept? or just 2 pts on the line?

OpenStudy (anonymous):

two points on the line to be graphed and enter their coordinates in the boxes below

OpenStudy (anonymous):

ahhhhh

OpenStudy (anonymous):

i just tried that answer.. and it came up wrong and now they gave me a different question.. now it's 4x=4

OpenStudy (anonymous):

that's different.....if it's a vertical line x = 10/3, then no matter what y value you have, the x-value is ALWAYS 10/3

OpenStudy (anonymous):

ok, same thing....now, what does x = ?

OpenStudy (anonymous):

the equation just reads 4x=4

OpenStudy (anonymous):

Now if you solve, you get x = 1

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

yeah, I meant if you solved for x.....so the equation is x = 1. Now matter what the y-value is, x ALWAYS = 1

OpenStudy (anonymous):

so, use the ordered pair (1, any y-value)

OpenStudy (anonymous):

it could be (1, 3) or (1, -10), or (1, 5).....the y-value doesn't matter

OpenStudy (anonymous):

ok thank you

OpenStudy (anonymous):

welcome

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