Practice WAEC questions on Equation of a Straight Line (+PDF and Lesson)

These WAEC questions on Equation of a Straight Line are all from its sub-topics in the WAEC MATH SYLLABUS.

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WAEC Equation of a Straight Line questions

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Use this table to answer question 1.

1. What is the value of y when x =2

A. 5
B. 7
C. 9
D. 11

2. The equation of the line through the points (4, 2) and (-8, - 2) is 3y = px + q where p and q are constants. Find the value of p. 

A. 1
B. 2
C. 3
D. 9

3. If (-3, -4) is a point on the line y = mx + 2 find the value of m. 

A. -2
B. 7/4
C. 2
D. 8/3

4. Find the value of x which satisfies the equation 5 (x – 7) = 7 – 2x

A. x = 2
B. x = 4
C. x = 6
D. x = 14

5.  Find the equation of a straight line passing through the point (1, -5) and having gradient of ¾.

A. 3x + 4y - 23 = 0
B. 3x + 4y + 23 = 0
C. 3x - 4y + 23 = 0
D. 3x - 4y - 23 = 0

6. Find the equation of the line parallel to 2y = 3(x - 2) and passes through the point (2, 3). 

A. y = 3/2x - 3
B. y = 2/3x - 2
C. y = 3/2x
D. y = -2/3x

7. The equation of a line is given as 3x - 5y = 7. Find its gradient (slope). 

A. 5/3
B. 3/5
C. - 3/5
D. - 5/3

8. A line L, passing through the point (6, -13) is parallel to the line which passes through (7, 4) and (-3, 9). Find the equation of the line, L. 

A. y = 1/2x - 10
B. y = - 1/2x + 10
C. y = - 1/2x - 10
D. y = 1/2x + 10

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