Use the graph of y=2x^2+x-4 to estimate the coordinates of:Name: Date:

a) the y-intercept

b) the roots of the quadratic

c) the turning point

Give your answers to 1 decimal place. © GCSEMathsWorksheets.com

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roots = (-1.7, 0) and (1.2, 0)

turning point = (-0.3, -4.1)

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# Answers

y-intercept = (0, -4)roots = (-1.7, 0) and (1.2, 0)

turning point = (-0.3, -4.1)

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