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18-09-2020
Mathematics

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18. Solve the quadratic equation by using the graph.

Look at screenshot

18 Solve the quadratic equation by using the graph Look at screenshot class=

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ChoiSungHyun ChoiSungHyun

18-09-2020

Step-by-step explanation:

As seen from the graph, the curve crosses the x-axis when x = -1 and x = 1. The y-intercept of the curve is -1.

Hence, the quadratic equation of the curve is y = x^2 - 1.

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