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evablogger [386]
3 years ago
6

Find the X-Intercepts of y=-x^2-2x+1

Mathematics
1 answer:
bekas [8.4K]3 years ago
6 0

Answer:

(1,0)

Step-by-step explanation:

we can't factor this so we'll use the quadratic formula

\frac{-b+\sqrt{b^2-4ac} }{2a}\\\frac{-b-\sqrt{b^2-4ac} }{2a}

(use both of them because usually there  are two zeroes)

We have

\frac{2+\sqrt{4-4}}{2}=\frac{2}{2}=1

Therefore the x intercept is just (1,0)

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