How do I find the x-intercepts of the graph of $y=x^2-3x-10$ ?

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Answer 1 · 2015-07-09T18:44:44

You set $y = 0$ and solve for $x$ .

$y = x^2-3x-10 = 0$

$(x-5)(x+2) = 0$

$x-5 = 0$ or $x+2 = 0$

$x = 5$ or $x = -2$

The $x$ -intercepts are at ( $5,0$ ) and ( $-2,0$ ).

How do I find the x-intercepts of the graph of y=x^2-3x-10y=x^2-3x-10?