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y = -16x2 + 342

At the x-intercepts, y=0

-16x2 + 342 = 0

16x2 = 342

x2 = 342/16 = 21.375

x = plus and minus sqrt(21.375) = approx. plus and minus 4.6233 (rounded)

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Q: What is the x intercept values of equation y equals -16x2 plus 342?
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