Sketch, on the same axes, the graphs of $y=\left| {{x}^{2}}-5 \right|$ and $y=2x-1$.[2] Find the

Question

Sketch, on the same axes, the graphs of $y=\left| {{x}^{2}}-5 \right|$ and $y=2x-1$.[2] Find the exact solutions of $\left| {{x}^{2}}-5 \right|=2x-1$.[4]

Accepted Answer

(b) ${1 + \sqrt{5}}$ and ${-1 + \sqrt{7}}$

N2021 P1 Q2

N2021 P1 Q2

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