Printable worksheet ยท 3 of 4
A changing gradient makes a curve - Paper 3
Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.
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Curve rule: y = 1x^2 + 4 for real x. Square x before multiplying or adding. Opposite x-values have equal squares, so this curve is symmetric about the y-axis. A table helps show why its gradient is not constant. These positive coefficients put the minimum at x = 0.
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