3 years ago

What is the vertex for the parabola shown?

Mathematics

1 answer:

Levart [38]3 years ago

7 0

Answer:

I think is (1, 2) opcion B

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The solutions for the quadratic equation 9x² - 6x + 5 = 0 are A. 2 complex roots

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With a = 9, b = -6 and c = 5, the roots of our equation are

$x = \frac{-(-6) +/- \sqrt{(-6)^{2} - 4 X 9 X 5} }{2 X 9} \\x = \frac{6 +/- \sqrt{36 - 180} }{18} \\x = \frac{6 +/- \sqrt{-144} }{18} \\x = \frac{6 +/- \sqrt{-12} }{18}\\x = \frac{6}{18} +/- i\frac{12}{18} \\x = \frac{1}{3} +/- i\frac{2}{3} \\x = \frac{1 + 2i}{3} or \frac{1 - 2i}{3}$