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April 25, 2024, 08:00:26 am
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Author Topic: Help with question d  (Read 4109 times)  Share 

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memeningful

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Help with question d
« on: November 25, 2016, 09:15:56 pm »
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I figured out the gradient but not the y intercept, my teacher told me to use y = 0, but I'm a bit confused.
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jamonwindeyer

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Re: Help with question d
« Reply #1 on: November 25, 2016, 10:00:49 pm »
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Quote from: memeningful on November 25, 2016, 09:15:56 pm
I figured out the gradient but not the y intercept, my teacher told me to use y = 0, but I'm a bit confused.

Hey! Using \(y=0\) will get you the x-intercept, not the y-intercept, but that's only useful after you get the equation anyway! :)

Tell me, over in WA, do you learn the two point formula for a straight line that looks like this?



Or are you just using \(y=mx+b\)? :)
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memeningful

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Re: Help with question d
« Reply #2 on: November 26, 2016, 10:30:03 am »
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Quote from: jamonwindeyer on November 25, 2016, 10:00:49 pm
Hey! Using \(y=0\) will get you the x-intercept, not the y-intercept, but that's only useful after you get the equation anyway! :)

Tell me, over in WA, do you learn the two point formula for a straight line that looks like this?



Or are you just using \(y=mx+b\)? :)

Oh I think I can answer this question now, thanks!

the two point formula was in my book
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jamonwindeyer

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Re: Help with question d
« Reply #3 on: November 26, 2016, 02:51:37 pm »
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Quote from: memeningful on November 26, 2016, 10:30:03 am
Oh I think I can answer this question now, thanks!

the two point formula was in my book

Awesome! Yeah the two point formula is the easiest way! ;D
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