Graphs common mistakes

Coordinates common mistake 1

Writing a final answer without showing the method that justifies it. This can weaken answers for: [Foundation and Higher] Work with coordinates in all four quadrants..

Show the method first, then give the final answer in the required form. Apply this directly to Coordinates.

Straight-line graphs common mistake 1

Writing a final answer without showing the method that justifies it. This can weaken answers for: [Foundation and Higher] Plot graphs of equations corresponding to straight lines in the coordinate plane..

Show the method first, then give the final answer in the required form. Apply this directly to Straight-line graphs.

Straight-line graphs common mistake 1

Writing a final answer without showing the method that justifies it. This can weaken answers for: [Foundation and Higher] Use y = mx + c to identify parallel lines and find equations of lines from points and gradients..

Show the method first, then give the final answer in the required form. Apply this directly to Straight-line graphs.

Straight-line graphs common mistake 1

Writing a final answer without showing the method that justifies it. This can weaken answers for: [Higher only] Use y = mx + c to identify perpendicular lines..

Show the method first, then give the final answer in the required form. Apply this directly to Straight-line graphs.

Gradients and intercepts common mistake 1

Writing a final answer without showing the method that justifies it. This can weaken answers for: [Foundation and Higher] Identify and interpret gradients and intercepts of linear functions graphically and algebraically..

Show the method first, then give the final answer in the required form. Apply this directly to Gradients and intercepts.

Quadratic graph features common mistake 1

Writing a final answer without showing the method that justifies it. This can weaken answers for: [Foundation and Higher] Identify and interpret roots, intercepts and turning points of quadratic functions graphically..

Show the method first, then give the final answer in the required form. Apply this directly to Quadratic graph features.

Quadratic graph features common mistake 1

Writing a final answer without showing the method that justifies it. This can weaken answers for: [Higher only] Deduce quadratic roots algebraically and deduce turning points by completing the square..

Show the method first, then give the final answer in the required form. Apply this directly to Quadratic graph features.

Sketching and interpreting function graphs common mistake 1

Writing a final answer without showing the method that justifies it. This can weaken answers for: [Foundation and Higher] Recognise, sketch and interpret graphs of linear and quadratic functions..

Show the method first, then give the final answer in the required form. Apply this directly to Sketching and interpreting function graphs.

Sketching and interpreting function graphs common mistake 1

Writing a final answer without showing the method that justifies it. This can weaken answers for: [Foundation and Higher] Include simple cubic and reciprocal functions where tier-appropriate..

Show the method first, then give the final answer in the required form. Apply this directly to Sketching and interpreting function graphs.

Sketching and interpreting function graphs common mistake 1

Writing a final answer without showing the method that justifies it. This can weaken answers for: [Higher only] Include exponential functions and trigonometric functions with degree arguments..

Show the method first, then give the final answer in the required form. Apply this directly to Sketching and interpreting function graphs.

Graph transformations common mistake 1

Writing a final answer without showing the method that justifies it. This can weaken answers for: [Higher only] Sketch translations and reflections of a given function..

Show the method first, then give the final answer in the required form. Apply this directly to Graph transformations.

Real-context and non-standard graphs common mistake 1

Writing a final answer without showing the method that justifies it. This can weaken answers for: [Foundation and Higher] Plot and interpret graphs, including non-standard graphs in real contexts, to find approximate solutions..

Show the method first, then give the final answer in the required form. Apply this directly to Real-context and non-standard graphs.