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
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
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
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
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
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
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
ย 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
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
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
Answer: C
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