Question 1 Report
Write down the coordinates of the point where the line \(y = 2x + 9\) crosses the \(y\)-axis. The diagram shows this line.
The y-axis has equation \(x=0\). Substitute \(x=0\) into \(y=2x+9\):
\[y=2(0)+9=9\]
Therefore the line crosses the y-axis at \((0,9)\). [B1]
Everything you need to excel in your exams