Emily Z.

asked • 03/09/16

graph the equation y-x=3

me and my home school teacher didnt take any notes on this and its for review i just need someone to show me how to do this so i can do the rest

2 Answers By Expert Tutors

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David W. answered • 03/09/16

Tutor
4.5 (54)

Experienced Prof

Emily Z.

the part i dont understand is why the y intercept is zero
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03/09/16

David W.

tutor
Definitions:
 
  y-intercept:  the place where the line crosses the y-axis, at x=0;  this point looks like (0,y)
  x-intercept:  the place where the line crosses the x-axis, at y=0;  this point looks like (x,0)
 
For the equation,  y-x=3 ,   the y-intercept is the point (0,3)       [note: plug in the values]
                                        the x-intercept is the point (-3,0)
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03/09/16

Elwyn D. answered • 03/09/16

Tutor
5.0 (58)

Private School Math Instructor

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