mr fantastic MHF Hall of Fame Dec 2007 16,948 6,768 Zeitgeist May 24, 2010 #2 alysha230893 said: y=10-1/2x how do i work out the y intercept Click to expand... Substitute x = 0 and solve for y. Reactions: HallsofIvy

alysha230893 said: y=10-1/2x how do i work out the y intercept Click to expand... Substitute x = 0 and solve for y.

H HallsofIvy MHF Helper Apr 2005 20,249 7,909 May 24, 2010 #4 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. Reactions: alysha230893

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.

A alysha230893 May 2010 28 0 May 24, 2010 #5 would the answer change if it was the gradient of the y intercept

mr fantastic MHF Hall of Fame Dec 2007 16,948 6,768 Zeitgeist May 24, 2010 #6 alysha230893 said: y=10-1/2x how do i work out the y intercept Click to expand... 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 ....?

alysha230893 said: y=10-1/2x how do i work out the y intercept Click to expand... 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 ....?