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Determine the value of
y, if
x is 3 .

y=x^(2)+12
Answer:

Determine the value of $y$ , if $x$ is $3$ . $\newline$ $y=x^{2}+12$ $\newline$ Answer:

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Solve exponential equations by rewriting the base

Full solution

Q. Determine the value of

y

, if

x

is

3

.

\newline

y=x^{2}+12

\newline

Answer:

Substitute $x$ value: Substitute the value of $x$ into the equation. $\newline$ We are given $x = 3$ and need to find $y$ using the equation $y = x^2 + 12$ . $\newline$ Substitute $x$ with $3$ : $y = 3^2 + 12$ .
Calculate square of $x$ : Calculate the square of $x$ . $\newline$ We need to calculate $3^2$ , which is $3 \times 3$ . $\newline$ $3^2 = 9$ .
Add $12$ : Add $12$ to the result from Step $2$ . $\newline$ Now we add $12$ to the result of $3^2$ to find $y$ . $\newline$ $y = 9 + 12$ .
Perform addition: Perform the addition to find the value of $y$ . $\newline$ Adding the two numbers together gives us the value of $y$ . $\newline$ $y = 9 + 12 = 21$ .

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