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posted by destiny Friday, October 22, 2010 at 9:00am.
whats the x-intercepts of the graph y = 42x2 + 28x
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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