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Mathematics 9 Online
OpenStudy (anonymous):

Find the x int, the vertex, and y int, of f(x)=2x^2+4x-6

Nnesha (nnesha):

x intercept when y = 0 so substitute 0 for y ~~~~~~ y intercept when x=0 so substitute 0 for x to find y intercept ~~ formula to find vertex is \[\huge\rm \frac{ -b }{ 2a }\]

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