Question

Sri Chaitanya School 1

Maths - Techno VI - Worksheet - 2

Class : VIII TECHNO

Subject : Mathematics

Topic Name : Collinearity (Analytical Geometry)

WORKSHEET - 5

Objective type questions :

1. If the points (k, 3), (2, 5) and (7, 9) are collinear, then the value of ’k’ is [ ]

a) –1 b)

1

2

c) – 2 d)

1

2



2. If the points A, B, C are collinear, then [ ]

a) area of   ABC 0 b) AB2

= AC2

+ BC2

c) slope of AB = slope of BC d) AB + BC = AC

3. If (1, k), (2, 1) and (–2, 5) are coillinear, then k = [ ]

a) 1 b) 2 c) –5 d) –1

4. The points (–1, 7), (3, –5) and (4, –8) are [ ]

a) forms a triangle b) collinear c) non collinear d) both a, c

5. If (1, 2), (–1, b), (–3, –4) are collinear, then b = [ ]

a) 0 b) 1 c) 2 d) –1

6. If (3, –2), (–2, 8) and (x, 4) are collinear, then x = [ ]

a) 0 b) 10 c) 1 d) 15

7. The points (1, 1), (2, 2) and (3, 3) are [ ]

a) forms a triangle b) non collinear c) collinear d) can’t say

Passage type (8 to 10 Questions) :

If three or more points lies on the same line, then the points are called collinear points.

8. If A(–1, 3), B(2, p) and C(5, –1) are collinear, then p = [ ]

a) 0 b) 1 c) 2 d) 3

9. If (y, 2), (2, 3) and (3, 4) are collinear, then y = [ ]

a) –1 b) –2 c) 1 d) 21

10. Vishnu said that the points (1, 2), (2, 2) and (3, 2) are collinear. Priya said that the points are not

collinear. The correct statement given by [ ]

a) Vishnu b) Priya c) Both a, b d) None

​

Answer 1

Answer:

try with this formula

it's from 9th techno maths part 2 pg 13

you will get this in rank guru app

Answer 2

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