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Graphical - Linear Equations Part 2 Video Lecture - Class 10

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FAQs on Graphical - Linear Equations Part 2 Video Lecture - Class 10

1. What is a linear equation?
Ans. A linear equation is a mathematical equation that represents a straight line when graphed on a coordinate plane. It consists of variables, coefficients, and constants, and its highest power of the variable is 1.
2. How can we determine if two linear equations are parallel?
Ans. Two linear equations are parallel if their slopes are equal. The slope of a linear equation can be found by comparing the coefficients of the variable. If the coefficients are equal, the lines are parallel.
3. How can we determine if two linear equations are perpendicular?
Ans. Two linear equations are perpendicular if the product of their slopes is -1. To find the slope of a linear equation, compare the coefficients of the variable. If the product of the slopes is -1, the lines are perpendicular.
4. How do we graph a linear equation?
Ans. To graph a linear equation, we need to find at least two points that satisfy the equation. We can choose any x-value and substitute it into the equation to find the corresponding y-value. Once we have two points, we can plot them on a coordinate plane and draw a straight line passing through them.
5. What is the significance of the y-intercept in a linear equation?
Ans. The y-intercept of a linear equation is the point where the line crosses the y-axis. It represents the value of y when x is 0. The y-intercept is significant because it helps us determine the starting point of the line and provides information about the initial value or condition in real-life applications of linear equations.
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