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2 years ago

The sketches show the graphs y=-x^2+16 and y=7

Mathematics

1 answer:

Tanzania [10]2 years ago

3 0

Answer:

7 = -x^2 +16

x^2 -16 = 7

x^2 -23 = 0

Using quadratic equation

x = -0 +- sqrt (23^2 - 4*1*23) / 2 * 1

x = sqrt (0 - -92) / 2

x = sqrt (92) / 2

x1 = 4.7958

x2 = -4.7958

(I tried to answer your question - even though you posted no question - AND you posted no graphics)

Step-by-step explanation:

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