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Determine the value of
y, if
x is 121.

y=sqrtx-10
Answer:
y=

Determine the value of $y$ , if $x$ is $121$ . $\newline$ $y=\sqrt{x}-10$ $\newline$ Answer: $y=$

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Solve equations with variables on both sides

Full solution

Q. Determine the value of

y

, if

x

is

121

.

\newline

y=\sqrt{x}-10

\newline

Answer:

y=

Substitute $x$ in equation: Substitute the given value of $x$ into the equation. $\newline$ $y = \sqrt{x} - 10$ $\newline$ Since $x$ is given as $121$ , we substitute $121$ for $x$ in the equation. $\newline$ $y = \sqrt{121} - 10$
Calculate square root: Calculate the square root of $121$ . $\newline$ $\sqrt{121} = 11$ $\newline$ This is because $11 \times 11 = 121$ .
Subtract $10$ : Subtract $10$ from the square root of $121$ . $\newline$ $y = 11 - 10$ $\newline$ $y = 1$

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