Posted by **destiny** on Friday, October 22, 2010 at 9:00am.

whats the x-intercepts of the graph

y = 42x2 + 28x

- 12th grade -
**jai**, Friday, October 22, 2010 at 11:06am
x-intercept: where y is equal to zero.

therefore:

0 = 42x^2 + 28x

0 = x(42x + 28)

x = 0 ; and

x = -28/42 = -2/3

x-int: (0,0) and (-2/3,0)

so there,, :)

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