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Differentiate: 6x^2 + 5x +7 =y

6x^2 + 5x +7 =y dy/dx = 12x + 5 To solve for a point of inflection: dy/dx = 12x + 5 = 0 x=-5/12 y=143/24
JH
Answered by Jack H. Maths tutor
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Where does the quadratic formulae come from?

The general form of a quadratic equation is, ax 2 +bx + c = 0. If we divide all terms by a we get, x 2 +(b/a)x + c/a = 0. then by completing the square we get (x+(b/2a)) 2 + c/a - b 2 /4a 2 = 0 which rearang...
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Answered by Benjamin O. Maths tutor
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Cosa causa i litigi tra i figli ed i genitori?

Normalmente è sia la musica che i vestiti, gli amici, i soldi. ​Per esempio la settimana scorsa sarei dovuto tornare alle ​undici ma sono tornata a mezza notte e adesso devo ​rimanere a casa fino alla settim...
FB
Answered by Francesco B. Italian tutor
2665 Views

Why do Copper and Chromium only have 1 electron in their S orbitals?

The reason Copper and Chromium have a slighly odd electron configuration is because of stability. By only having 1 electron in the 4s oribtal, Chromium is able to have 1 electron in each of it's 3d orbitals,...
BO
40951 Views

Can I take a derivative at x=0 for the function f(x) = |x| ?

Just because a function is continuous at a point, that doesn't mean it has a derivative at that point. If a function is differentiable on an interval, then it is continuous on that interval, but the reverse ...
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Answered by Tutor68168 D. Maths tutor
6835 Views