mike142
mike142
17-03-2016
Mathematics
contestada
what are the intercepts of the parabola x^2-3x-28
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daniellionyang
daniellionyang
18-03-2016
0=x^2-3x-28 gives x=7 or x=-4. These are the x-intercepts. The y-intercept is when x is 0. y=(0)^2-3(0)-28. The y-intercept is -28.
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