tmua None Q3

tmua · Uk · specimen_paper2 Solving quadratics and applications
3. Consider the following attempt to solve an equation. The steps have been numbered for reference. [Figure]
Which one of the following statements is true?
A Both - 4 and - 1 are solutions of the equation.
B Neither - 4 nor - 1 are solutions of the equation.
C One solution is correct and the incorrect solution arises as a result of step (1).
D One solution is correct and the incorrect solution arises as a result of step (2).
E One solution is correct and the incorrect solution arises as a result of step (3).
3. Consider the following attempt to solve an equation. The steps have been numbered for reference.\\
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Which one of the following statements is true?

A Both - 4 and - 1 are solutions of the equation.

B Neither - 4 nor - 1 are solutions of the equation.

C One solution is correct and the incorrect solution arises as a result of step (1).

D One solution is correct and the incorrect solution arises as a result of step (2).

E One solution is correct and the incorrect solution arises as a result of step (3).\\