y=10-1/2x how do i work out the y intercept
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Originally Posted by alysha230893 y=10-1/2x how do i work out the y intercept Substitute x = 0 and solve for y.
is there a formula i can follow
Yes- set x= 0 and solve for y!!! As soon as you set x= 0, you are going to have a serious problem which should tell you immediately that there is no y intercept.
would the answer change if it was the gradient of the y intercept
Originally Posted by alysha230893 y=10-1/2x how do i work out the y intercept I assume you mean y = 10 - (1/2)x. The simple formula is ..... substitute x = 0 and solve for y. Do you know what (1/2)(0) is equal to ....?
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