Year 11 Maths - Methods Coordinate geometry and linear relations

Graphing Straight Lines

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Questions

Question 1

30319

Draw the graph of \(y=2x+4\) for \( - 1 \le x \le 5\)

Answer

Refer to graph

Worked Solution

\begin{align}
&y=2x+4,\;-1 \leq x \leq 5 \\
&\begin{array}{llc}
x=-1 &\rightarrow y=2&(-1,2) \\
x=0 &\rightarrow y=4 &(0,4) \\
x=5 &\rightarrow y=14 &(5,14)
\end{array}
\end{align}

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