Co-Ordinate Geometry MCQ Set 3

CO-ORDINATE GEOMETRY MCQ SET 3

1. Find the equation of a line whose slope is -1/3 and y intercept is 5.

(a) 3x + y – 15 = 0

(b) x + 3y – 15 = 0

(c) 3x + y – 15 = 0

(d) 3x + y – 15 = 0

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Answer: B

2. Find the equation of a line whose slope is -3 and its passes through point (2 , -5)

(a) 3x + y -1 = 0

(b) x + 3y – 1 = 0

(c) 3x + y + 1 = 0

(d) x + 3y + 1 = 0

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Answer: A

3. Find the equation of a line whose slope is 2/3 and it passes through point (-3 , 5) .

(a) 2x – 3y = -21

(b) 2x – 3y = 21

(c) 3x – 2y = 21

(d) 2x + 3y = 21

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Answer: A

4. Find the equation of a line whose slope is 5 and it passes through point (2 , 7) .

(a) 5x – y = 3

(b) 5x – 3y = 7

(c) x – 5y = 3

(d) 5x – y = -3

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Answer: A

5. Find the equation of a line passing through points (-1 , 5) and (2 , 7)

(a) 2x – 3y – 17 = 0

(b) 2x + 3y – 17 = 0

(c) 2x + 3y + 17 = 0

(d) 2x – 3y + 17 = 0

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Answer: D

6. Find the equation of a line passing through points (2 , 3) and (3 , 7)

(a) y – 4x + 5 = 0

(b) y + 4x + 5 = 0

(c) 2x + 3y + 17 = 0

(d) 2x – 3y + 17 = 0

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Answer: A

7. Find the equation of a line whose x and y intercepts are 5 & 4

(a) 4x + 5y – 20 = 0

(b) 5x + 4y – 20 = 0

(c) 4x – 5y – 20 = 0

(d) 4x + 5y + 20 = 0

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 Answer: A

8. Two graphs of the equations 3x + y – 5 = 0 and 2x – y – 5 = 0 intersect at the point P(a , b) . What is the value of (3a + b)?

(a) 4

(b) -4

(c) 3

(d) 5

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Answer: D

9. The point of intersection of the graphs of the equation 3x – 5y = 19 and 3y – 7x + 1 = 0 is P(a , b) . What is the value of (3a – b)?

(a) -2

(b) -1

(c) 1

(d) 0

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Answer: B

10. The graph of the linear equation 4x – 2y = 10 and 4x + ky = 2 intersect at point (a , 4) . The value of k is equal to:

(a) 3

(b) -3

(c) -4

(d) 4

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Answer: C