Gce Model Questions Vol1 2018 Mathematics Question 30

Practice objective / multiple choice question 30 from the 2018 Gce Model Questions Vol1 Mathematics examination.

Gce Model Questions Vol1 2018 Mathematics Objective / Multiple Choice Medium Difficulty
Question 30 GCE_MODEL_QUESTIONS_VOL1 • 2018 • MATHEMATICS • objective

The quadratic equation \(x^{2}-kx+12=0\) has two real roots that differ by \(2\). Determine \(k\) and then find the sum of the squares of the roots of the equation \(x^{2}-(k+3)x+20=0\).

Answer Options

Correct Answer A. 21+12\sqrt{13}
B. 21+12\sqrt{7}
C. 21-12\sqrt{13}
D. 21+6\sqrt{13}
Correct Answer
A
Correct Option:
21+12\sqrt{13}

About This Question

This is Gce Model Questions Vol1 2018 Mathematics Question 30. It is one of the objective questions from the 2018 Gce Model Questions Vol1 Mathematics examination.

Difficulty level: Medium .

View More Gce Model Questions Vol1 2018 Mathematics Questions More Gce Model Questions Vol1 Practice Questions Back to Questions

Master the Exam!

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