Write the quadratic function in the form g(x)=a(x-h)^2+k Then, give the vertex of its graph. g(x)=−3x^2+30x-77?

2015-12-17 5:57 am

回答 (5)

2015-12-17 6:04 am

✔ 最佳答案

g(x) = -3(x - 5)^2 - 2

vertex = (5, -2)

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2015-12-17 6:08 am

im trying out my surface pro and writing tools... let me know if the image link doesnt work

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2015-12-17 6:04 am

g(x) = -3x² + 30x -77
= -3(x² - 10x + 25) -2
= -3(x-5)² - 2

Vertex: (5, -2)

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2015-12-17 6:33 am

(5,-2)

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2015-12-17 6:04 am

g = - 3 [ x² - 10 x + 25 ] + 75 - 77 = - 3 [ x - 5 ]² - 2....( 5 , - 2 )

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