Gce Model Questions Vol1 2021 Computer Studies Question 25

Practice objective / multiple choice question 25 from the 2021 Gce Model Questions Vol1 Computer Studies examination.

Gce Model Questions Vol1 2021 Computer Studies Objective / Multiple Choice Hard Difficulty
Question 25 GCE_MODEL_QUESTIONS_VOL1 • 2021 • COMPUTER_STUDIES • objective

In a spreadsheet, cell A1 contains an unknown value \(x\). The following formulas are defined: - B1: \(=A1^2 - 4*A1 + 3\) - C1: \(=\sqrt{B1}\) - D1: \(=\text{IF}(C1 > 2,\; C1*5,\; C1*3)\) The displayed value in D1 is 15. Determine all possible values of \(x\) that satisfy the spreadsheet calculations. Give your answers in exact form.

Answer Options

A. x = 1 \pm \sqrt{10}
B. x = 2 \pm \sqrt{8}
Correct Answer C. x = 2 \pm \sqrt{10}
D. x = 2 \pm \sqrt{12}
Correct Answer
C
Correct Option:
x = 2 \pm \sqrt{10}

About This Question

This is Gce Model Questions Vol1 2021 Computer Studies Question 25. It is one of the objective questions from the 2021 Gce Model Questions Vol1 Computer Studies examination.

Difficulty level: Hard .

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