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Linear Equations: Algebra Video Lecture | Crash Course for CAT

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FAQs on Linear Equations: Algebra Video Lecture - Crash Course for CAT

1. What is a linear equation?
Ans. A linear equation is an algebraic equation in which each term is either a constant or the product of a constant and a single variable raised to the first power.
2. How do you graph a linear equation?
Ans. To graph a linear equation, you can plot at least two points on the coordinate plane that satisfy the equation and then draw a line through those points.
3. What is the slope-intercept form of a linear equation?
Ans. The slope-intercept form of a linear equation is y = mx + b, where m is the slope of the line and b is the y-intercept.
4. How do you solve a system of linear equations?
Ans. There are several methods to solve a system of linear equations, such as substitution, elimination, and graphing. Choose the method that works best for the given set of equations.
5. What is the significance of the y-intercept in a linear equation?
Ans. The y-intercept in a linear equation represents the value of the dependent variable (y) when the independent variable (x) is equal to zero. It is the point where the graph intersects the y-axis.
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