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1 markInterpreting Quadratic Graphs

CSEC Mathematics · May/June 2015 · Paper 2 · Question 4(d)(i)

Complete the following sentences using information from your graph.

The values of x for which x²-2x-3 = 0 are ____________ and ____________

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Other parts of this question

  1. 4(a)Complete the table for the function y = x² – 2x – 3.[2 marks]
  2. 4(b)On the graph on page 13, plot the graph of y = x²-2x-3 using a scale of 2 cm to represent 1 unit on the x-axis and 1 cm to represent 1 unit on the y-axis.[4 marks]
  3. 4(c)On the graph on page 13, draw a smooth curve passing through the points on your graph.[1 mark]
  4. 4(d)(ii)The minimum value of x² - 2x - 3 is ____________[1 mark]
  5. 4(d)(iii)The equation of the line of symmetry of the graph of y = x²-2x-3 is ____________[1 mark]

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