Advertisements
Advertisements
Question
Find the slope of the line passing through the points A(-2, 1) and B(0, 3).
Solution
`"Slope of a line passing through 2 points "(x_1, "y"_1) " and "(x_1,"y"_1)=(("y"_2-"y"_1)/(x_2-x_1))`
`"Slope of a line passing through 2 points (-2, 1) and (0, 3)"=((3-1)/(0+2))=2/2=1`
APPEARS IN
RELATED QUESTIONS
Find the slope of the line passing through the points A(2, 3) and B(4, 7).
The side AB of a square ABCD is parallel to the x-axis. Find the slopes of all its sides. Also, find:
- the slope of the diagonal AC.
- the slope of the diagonal BD.
The slope of the side BC of a rectangle ABCD is `2/3`. Find:
- the slope of the side AB.
- the slope of the side AD.
Find the value(s) of k so that PQ will be parallel to RS. Given : P(3, −1), Q(7, 11), R(−1, −1) and S(1, k)
Lines mx + 3y + 7 = 0 and 5x – ny – 3 = 0 are perpendicular to each other. Find the relation connecting m and n.
Find the slope of the lines passing through the given point.
L (–2, –3) , M (–6, –8)
Find k, if B(k, –5), C (1, 2) and slope of the line is 7.
Find the slope of a line passing through the given pair of points (9,-2) and (-5,5)
Find the slope of a line parallel to the given line 4x-2y = 3
Find m if the slope of the line passing through the point (-7,5) and (2,m) is `1/3`
Find the value of a line perpendicular to the given line 5x+2y-9 = 0
Find slope of a line passing through the points A(3, 1) and B(5, 3).
Show that the points A(- 2, 5), B(2, – 3) and C(0, 1) are collinear.
If the lines 7y = ax + 4 and 2y = 3 − x, are parallel to each other, then the value of ‘a’ is:
Determine whether the following points are collinear. A(–1, –1), B(0, 1), C(1, 3)
Given: Points A(–1, –1), B(0, 1) and C(1, 3)
Slope of line AB = `(square - square)/(square - square) = square/square` = 2
Slope of line BC = `(square - square)/(square - square) = square/square` = 2
Slope of line AB = Slope of line BC and B is the common point.
∴ Points A, B and C are collinear.
What is the name of the point of intersection of coordinate axes?