Free account: track your progress — Sign up free

WAEC Mathematics 2018 Objective — Question 22

Question 22 of 50 from the West African Examinations Council (WAEC) Mathematics 2018 Objective paper, with the correct answer and a full explanation.

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

Explanation

Slope = (−2−2)/(−8−4)=1/3. Rearranging y−2=(1/3)(x−4) to 3y=x+2 gives p=1.

Sign up free to unlock

Score tracking
Practice history
Saved questions
Progress dashboard
Personalized sessions
Weak-topic breakdown

…and/or go further with premium services and No Ads.

Create free account

More questions from Mathematics 2018 Objective More Mathematics past papers