Neco 2017 Mathematics Question 17

Practice objective / multiple choice question 17 from the 2017 Neco Mathematics examination.

Neco 2017 Mathematics Objective / Multiple Choice Medium Difficulty
Question 17 NECO • 2017 • MATHEMATICS • objective

Find the value of \(k\) such that the quadratic equation \(x^{2}-kx+(k-6)=0\) has two distinct real roots whose sum is twice their product. Then determine the two roots.

Answer Options

A. k = 10; roots are 5 \pm \sqrt{20}
B. k = 14; roots are 7 \pm \sqrt{30}
C. k = 12; roots are 6 \pm \sqrt{24}
Correct Answer D. k = 12; roots are 6 \pm \sqrt{30}
Correct Answer
D
Correct Option:
k = 12; roots are 6 \pm \sqrt{30}

About This Question

This is Neco 2017 Mathematics Question 17. It is one of the objective questions from the 2017 Neco Mathematics examination.

Difficulty level: Medium .

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