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Determine the value of
y, if
x is 9.

y=x^(2)-7
Answer:

Determine the value of $y$ , if $x$ is $9$ . $\newline$ $y=x^{2}-7$ $\newline$ Answer:

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Find the vertex of the transformed function

Full solution

Q. Determine the value of

y

, if

x

is

9

.

\newline

y=x^{2}-7

\newline

Answer:

Identify Function and Value: Identify the given function and the value of $x$ for which we need to find $y$ . The given function is $y = x^2 - 7$ , and we need to find the value of $y$ when $x$ is $9$ .
Substitute Value into Function: Substitute the value of $x$ into the function to calculate $y$ . $y = 9^2 - 7$
Calculate Square: Perform the calculation for the square of $9$ . $\newline$ $9^2 = 81$
Subtract $7$ : Subtract $7$ from the result of the square of $9$ to find $y$ . $\newline$ $y = 81 - 7$
Final Value: Perform the subtraction to get the final value of $y$ . $y = 74$

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