How do you solve the equation $x^{2} - 3 x = 0$ $x^2-3x=0$ by graphing?

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How do you solve the equation $x^{2} - 3 x = 0$ $x^2-3x=0$ by graphing?

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Answer 1 · 2017-12-14T00:41:10

$x = 0 or x = 3$ $x = 0 or x = 3$

Explanation:

If we wanted to graph the equation you posted we would replace the $0$ $0$ with $y$ $y$ :

$y = x^{2} - 3 x$ $y = x^2 - 3x$ .

If we graphed the above equation, it would look something like this:

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Now, previously we have repalced $y$ $y$ with $0$ $0$ . That means that when $y = 0$ $y = 0$ on the graph, $x$ $x$ is equal to the solution of the equation.

Therefore, if you find the $x$ $x$ -coordinate of the $x$ $x$ -intercept, that is the solution to the equation.

Thus, $x = 0 or x = 3$ $x = 0 or x = 3$ .

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How do you solve the equation $x^{2} - 3 x = 0$ $x^2-3x=0$ by graphing?

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How do you solve the equation $x^{2} - 3 x = 0$ $x^2-3x=0$ by graphing?