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Horizontal and Vertical Lines, Point Slope Form and Two Point Form Video Lecture | Mathematics (Maths) Class 11 - Commerce

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FAQs on Horizontal and Vertical Lines, Point Slope Form and Two Point Form Video Lecture - Mathematics (Maths) Class 11 - Commerce

1. What is the equation of a horizontal line in point-slope form?
Ans. The equation of a horizontal line in point-slope form is y = b, where b represents the y-coordinate of any point on the line.
2. How do you represent a vertical line in point-slope form?
Ans. A vertical line does not have a slope, so it cannot be represented in point-slope form. Instead, the equation of a vertical line is x = a, where a represents the x-coordinate of any point on the line.
3. What does the point-slope form of a line represent?
Ans. The point-slope form of a line represents the equation of a line using the coordinates of a single point on the line and its slope. It can be used to find the equation of a line when the slope and a point on the line are known.
4. How do you find the equation of a line using two points?
Ans. To find the equation of a line using two points, you can use the two-point form. This form is given by y - y1 = (y2 - y1)/(x2 - x1) * (x - x1), where (x1, y1) and (x2, y2) are the coordinates of the two points.
5. Can a line be both horizontal and vertical at the same time?
Ans. No, a line cannot be both horizontal and vertical at the same time. A horizontal line has a slope of 0 and is parallel to the x-axis, while a vertical line has an undefined slope and is parallel to the y-axis. These two types of lines are perpendicular to each other.
75 videos|238 docs|91 tests

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