Neco 2019 Mathematics Question 25

Practice objective / multiple choice question 25 from the 2019 Neco Mathematics examination.

Neco 2019 Mathematics Objective / Multiple Choice Medium Difficulty

Question 25 NECO • 2019 • MATHEMATICS • objective

A quadratic equation \(x^{2} - kx + 21 = 0\) has two distinct integer roots that differ by 4. Find the value of \(k\) and the roots.

A. k = 22, roots 1 and 21

Correct Answer B. k = 10, roots 3 and 7

C. k = 8, roots 2 and 6

D. k = 12, roots 4 and 8

Correct Answer

Correct Option:

k = 10, roots 3 and 7

This is Neco 2019 Mathematics Question 25. It is one of the objective questions from the 2019 Neco Mathematics examination.

Difficulty level: Medium .

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows

Chat with Support