Igcse Model Questions Vol1 2018 Mathematics Question 13

Practice objective / multiple choice question 13 from the 2018 Igcse Model Questions Vol1 Mathematics examination.

Igcse Model Questions Vol1 2018 Mathematics Objective / Multiple Choice Medium Difficulty
Question 13 IGCSE_MODEL_QUESTIONS_VOL1 • 2018 • MATHEMATICS • objective
Igcse Model Questions Vol1 2018 Mathematics Question 13 diagram

The diagram shows a smooth upward‑curving quadratic curve passing through the points \((1,2)\), \((2,6)\) and \((3,12)\) on a Cartesian coordinate system. The curve represents a function \(f(x)\) of the form \(f(x)=ax^{2}+bx+c\). Determine all real values of \(x\) for which \(f(x)=20\).

Answer Options

A. x = 2 or x = -10
B. x = 5 or x = -4
Correct Answer C. x = 4 or x = -5
D. x = 4 or x = 5
Correct Answer
C
Correct Option:
x = 4 or x = -5

About This Question

This is Igcse Model Questions Vol1 2018 Mathematics Question 13. It is one of the objective questions from the 2018 Igcse Model Questions Vol1 Mathematics examination.

Difficulty level: Medium .

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