SOLUTION: How would I graph y=5x+15. What is the y-intercept and the x-intercept. I am haveing difficulty with this problem.

Algebra ->  Graphs -> SOLUTION: How would I graph y=5x+15. What is the y-intercept and the x-intercept. I am haveing difficulty with this problem.      Log On


   

Question 266195: How would I graph y=5x+15. What is the y-intercept and the x-intercept. I am haveing difficulty with this problem.
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
Y=mX+b
m=SLOPE & b=THE Y INTERCEPT.
y=5x+15
b=15 THE Y INTERCEPT. (0,15)
SETY=0 & SOLVE FOR X
0=5X=15
5X=-15
X=-15/5
X=-3 ANS. FOR THE X INTERCEPT. (-3,0)
PROOF:
+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+18%2C+5x+%2B15%29+ (graph 300x200 pixels, x from -6 to 5, y from -10 to 18, 5x +15).