Foundation November 2021 Paper 2 Q21

OCRFoundationCurrent spec7 marksDrawing & Using GraphsSolving Quadratics

21

(a) Complete this table for \(y = x^2 - 3\).
\(x\)\(-3\)\(-2\)\(-1\)0123
\(y\)1\(-2\)\(-2\)16

[2]

(b) Draw the graph of \(y = x^2 - 3\) for values of \(x\) from \(-3\) to 3.
Blank grid: x from -3 to 3, y from -4 to 7

[3]

(c) Use your graph to solve \(x^2 - 3 = 2\). [2]