Lecture 9 Straight Lines Class 10 Maths

“If you do what you always did, you will get what you always got.”

Lecture - 9 Chapter 10 Straight Lines

Standard Form of Equation of Straight Lines

NCERT EXERCISE 10.3

Question 1. Reduce the following equations into slope – intercept form and find their slopes and the y – intercepts.
(i) x + 7y = 0,
(ii) 6x + 3y – 5 = 0,
(iii) y = 0.

Question 2. Reduce the following equations into intercept form and find their intercepts on the axes. 

(i) 3x + 2y – 12 = 0,
(ii) 4x – 3y = 6,
(iii) 3y + 2 = 0.

Question 3. Reduce the following equations into normal form. Find their perpendicular distances from the origin and angle between perpendicular and the positive x-axis.

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