(C) Given the equation is $x + 3y = k$.Since $(5, 2)$ is a solution to the equation,we substitute $x = 5$ and $y = 2$ into the equation.$5 + 3(2) = k$

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(C) Given the equation is $x + 3y = k$.Since $(5, 2)$ is a solution to the equation,we substitute $x = 5$ and $y = 2$ into the equation.$5 + 3(2) = k$$5 + 6 = k$$k = 11$Therefore,the value of $k$ is $11$.

Class 9 Mathematics Linear Equations in Two Variables Mix Examples - Linear Equations in Two Variables

Easy

If $(5, 2)$ is one of the solutions of the equation $x + 3y = k$,then $k = \ldots$

A
$8$
B
$7$
C
$11$
D
$17$

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Linear Equations in Two Variables

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Mix Examples - Linear Equations in Two Variables

Express the following linear equation in the form $ax + by + c = 0$ and indicate the values of $a, b,$ and $c$ in each case:
$\pi x - 3y = 18$

Medium

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Write the following as an equation in two variables:
$\pi x = 3.14$

Easy

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Write four solutions for the following equation:
$2x - 12 = 0$

Easy

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Draw the graph of the equation represented by a straight line which is parallel to the $x$-axis and at a distance $3$ units below it.

Easy

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Express the following linear equation in the form $ax + by + c = 0$ and indicate the values of $a, b$ and $c$ in each case:
$5x + 3y = 45$

Easy

View Solution

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If $(5, 2)$ is one of the solutions of the equation $x + 3y = k$,then $k = \ldots$

Similar Questions

Express the following linear equation in the form $ax + by + c = 0$ and indicate the values of $a, b,$ and $c$ in each case:$\pi x - 3y = 18$

Write the following as an equation in two variables:$\pi x = 3.14$

Write four solutions for the following equation:$2x - 12 = 0$

Draw the graph of the equation represented by a straight line which is parallel to the $x$-axis and at a distance $3$ units below it.

Express the following linear equation in the form $ax + by + c = 0$ and indicate the values of $a, b$ and $c$ in each case:$5x + 3y = 45$

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Express the following linear equation in the form $ax + by + c = 0$ and indicate the values of $a, b,$ and $c$ in each case:
$\pi x - 3y = 18$

Write the following as an equation in two variables:
$\pi x = 3.14$

Write four solutions for the following equation:
$2x - 12 = 0$

Express the following linear equation in the form $ax + by + c = 0$ and indicate the values of $a, b$ and $c$ in each case:
$5x + 3y = 45$