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Maths 3 Marks Question

Linear Equations in Two Variables · Haryana Board (HBSE) STD 9 (Haryana - English Medium). 9 questions.

Questions

3 Marks Question

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9 questions · timed · auto-graded

Question 13 Marks
Draw the graph of the following equation. $y + 5 = 0$
Answer
The equation of given line is $y + 5 = 0$ or $y = -5$ This equation does not contain the term of $x$.
So, the graph of this line parallel to $x$-axis passing through the point $(0, -5)$.
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Question 23 Marks
Draw the graph of the following equation. $x = 5$
Answer
The equation of given line is $x = 5$ This equation does not contain the term of $y$. So, the graph of this line parallel to $y$-axis passing through the point $(5, 0)$.
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Question 33 Marks
Draw the graph of the following equation. $y = 4$
Answer
The equation of given line is $y = 4$ This equation does not contain the term of $x$. So, the graph of this line parallel to $x$-axis passing through the point $(0, 4)$.
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Question 43 Marks
Draw the graph of the following equation.
$x + 4 = 0$.
Answer
The equation of given line is $x + 4 = 0 $or $x = -4$. This equation does not contain the term of $y$. So, the graph of this line parallel to y-axis passing through the point $(-4, 0)$.
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Question 53 Marks
Draw the graph of the following equation. $y = 3$
Answer
The equation of given line is $y = 3$ This equation does not contain the term of $x$. So, the graph of this line parallel to $x$-axis passing through the point $(0, 3)$.
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Question 63 Marks
Draw the graph of the following equation. $x = 4$
Answer
The equation of given line is $x = 4$. This equation does not contain the term of $y$. So, the graph of this line parallel to $y$-axis passing through the point $(4, 0)$.
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Question 73 Marks
Draw the graph of the following equation. $x = -2$
Answer
The equation of given line is $x = -2$ This equation does not contain the term of $y$. So, the graph of this line parallel to $y$-axis passing through the point $(-2, 0)$.
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Question 83 Marks
Draw the graph of the following equation $y = 3x$. From your graph, find the value of $y$ when,
$i. x = 2$
$ii. x = -2$.
Answer
Given equation: $y = 3x$ When $x = -2, y = -6$ When $x = -1, y = -3$.
Thus, we have the following table:
$x$ $-2$ $-1$
$y$ $-6$ $-3$
Now plot the point $(-2, -6), (-1, -3)$ on a graph paper.
Join the points and extend the line in both the directions.
The line segment is the required graph of the equation.
From the graph we can that when $x = 2, y = 6$ Also, when $x = -2, y = -6$.
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Question 93 Marks
Draw the graph of the following equation.
$y = -3$
Answer
The equation of given line is $y = -3$ This equation does not contain the term of $x$. So, the graph of this line parallel to $x$-axis passing through the point (0, -3).
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3 Marks Question - Maths STD 9 Questions - Vidyadip