Free account: track your progress — Sign up free

WAEC Mathematics 2014 Theory — Question 3

Question 3 of 23 from the West African Examinations Council (WAEC) Mathematics 2014 Theory paper, with the correct answer and a full explanation.

2(a). Simplify 3√75 − √12 + √108, leaving the answer in surd form (radicals).

Model answer

3√75 = 3×5√3 = 15√3 √12 = 2√3 √108 = 6√3 So: 15√3 − 2√3 + 6√3 = 19√3

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 2014 Theory More Mathematics past papers