JAMB Mathematics 2007 Objective — Question 33

Question 33 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2007 Objective paper, with the correct answer and a full explanation.

If the lines 3y=4x-1 and qy=x+3 are parallel to each other, the value of q is

A. 4/3
B. 3/4Correct
C. -3/4
D. -4/3

Explanation

Gradient of first line = 4/3. Gradient of second line = 1/q. Since parallel lines have equal gradients: 1/q=4/3, so q=3/4.

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