1. What are the roots of x^2 - 5x + 6 = 0?
- x = 2, 3
- x = -2, -3
- x = 1, 6
- x = -1, 6
Answer: A) x = 2, 3
Explanation: Factorise: x^2-5x+6=(x-2)(x-3)=0, so x=2 or x=3. Check with the quadratic formula: x= 5pm 25-242= 5pm12
MCQs / Mathematics / Algebra
1 multiple-choice questions on Algebra from Mathematics, each with the correct answer and, where available, a teacher's explanation. Read through them to revise the chapter, then practise the same questions one by one to test yourself.
Answer: A) x = 2, 3
Explanation: Factorise: x^2-5x+6=(x-2)(x-3)=0, so x=2 or x=3. Check with the quadratic formula: x= 5pm 25-242= 5pm12