SOLUTION: Find the x intercepts of y = x^2 - 4x Note x^2 should be read as x squared

Algebra ->  Graphs -> SOLUTION: Find the x intercepts of y = x^2 - 4x Note x^2 should be read as x squared      Log On


   

Question 813573: Find the x intercepts of y = x^2 - 4x
Note x^2 should be read as x squared
Found 2 solutions by richwmiller, ewatrrr:
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
0=x*(x-4)
x=0 x=4

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Find the x intercepts of 

y = x^2 - 4x

y = x(x - 4)   |Note:  y = 0 when curve crosses x -axis

 x(x-4) = 0  x = 0   0r   x = 4

Curve crosses the x-axis at (0,0) and (4,0)