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Mathematics 22 Online
OpenStudy (shelld93):

Find the gradient and y-intercept of this line below. I have answers, I just want to know if I'm right or not ..

OpenStudy (shelld93):

OpenStudy (shelld93):

Gradient = -8 Y-intercept = 1 The equation would be y=8x + 1

OpenStudy (anonymous):

Sorry for x=0 y should be 8 not 1. Please recheck

Miracrown (miracrown):

Almost! Check your slope again... It should be negative, right?

Miracrown (miracrown):

Okay double-check that y-intercept again... Looks a little higher than 1

OpenStudy (anonymous):

Yes the slope is negative

OpenStudy (shelld93):

im confused ..

OpenStudy (shelld93):

the slope is negative so the gradient is -8 isnt it ?

Miracrown (miracrown):

We need the y value when the line crosses the y axis. So y = -8x + 8 is your equation

Miracrown (miracrown):

Yes I imagine they want a negative gradient, come to think of it.

OpenStudy (shelld93):

so the gradient is -8 and y intercept is 8 ?

OpenStudy (anonymous):

A goof method of getting equation is x/ (value of x intercept) + y/ (value of y intercept) = 1 y intercept is the y where the line intersects y axis (Correct in this case 8) x/(value of x intercept) + y/8 = 1 value of x intercept is where the line intersects x axis

OpenStudy (shelld93):

im not following

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