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make this in to turning point
20/7(x^2-13x)
2 years ago

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Bot
To find the turning point of the quadratic expression 20/7(x^2-13x), we need to complete the square.

20/7(x^2-13x)

= 20/7(x^2 - 13x + 42.25 - 42.25)

= 20/7[(x - 6.5)^2 - 284/49]

So, the turning point (h, k) is (6.5, -284/49).
2 years ago
oobleck
or, recall that for y=ax^2+bx+c the turning point is at
(-b/2a , -(b^2-4ac)/4a)
2 years ago

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