Enter the correct answer in the box. The graph of a quadratic function is represented by the table. xf(x)
6-2
74
86
94
10-2
What is the equation of the function in vertex form? Substitute numerical values for a, h, and k.
f(x)=a(x-h)^2+k

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Ответ:

moneykey

16.08.2021

Mathematics

Solution (1) :

$\frac{x}{21} = \frac{2}{3}$

$x \times 3 = 2 \times 21$

3x = 42

$x = \frac{42}{3}$

x = 14

$∴ \: the \: proportional \: fractions \: are \ \: :$

$\frac{14}{21} = \frac{2}{3}$

Solution (2) :

$\frac{14}{8} = \frac{x}{20}$

$14 \times 20 = 8 \times x$

8x = 280

$x = \frac{280}{8}$

x = 35

$∴ \: the \: proportional \: fractions \: are \ \ \: :$

$\frac{14}{21} :: \frac{35}{20}$

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Enter the correct answer in the box. The graph of a quadratic function is represented by the table. xf(x)6-274869410-2What is the equation of the function in vertex form? Substitute numerical values for a, h, and k.f(x)=a(x-h)^2+k