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Capstone Jun 10 - 16 25 questions
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Monday 10 June 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √384

    Answer: 8√6
  2. 2. Algebra

    Complete the square: 5x² + 60x + 7

    Answer: 5(x + 6)² - 173
  3. 3. Geometry

    Find area of triangle: a = 21cm, b = 12cm, angle = 75°. Give your answer to 2 decimal places

    Answer: 121.71cm²
  4. 4. Ratio

    a:b is 8:7 and b:c is 5:8. Find a:b:c in its simplest form.

    Answer: 40:35:56
  5. 5. Statistics

    Find the mean, median and range of: 44, 44, 60, 91, 71, 35, 41, 45. Give your answer to 2 decimal places

    Answer: Mean = 53.88, Median = 44.5, Range = 56

Tuesday 11 June 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √700

    Answer: 10√7
  2. 2. Algebra

    Complete the square: x² + 9x + 2

    Answer: (x + 9⁄2)² - 73⁄4
  3. 3. Geometry

    Find area of triangle: a = 18cm, b = 30cm, angle = 71°. Give your answer to 2 decimal places

    Answer: 255.29cm²
  4. 4. Ratio

    a:b is 3:4 and b:c is 5:9. Find a:b:c in its simplest form.

    Answer: 15:20:36
  5. 5. Statistics

    Find the mean, median and range of: 36, 25, 29, 19, 13, 46, 74, 19, 78. Give your answer to 2 decimal places

    Answer: Mean = 37.67, Median = 29, Range = 65

Wednesday 12 June 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √864

    Answer: 12√6
  2. 2. Algebra

    Complete the square: 5x² + 20x + 7

    Answer: 5(x + 2)² - 13
  3. 3. Geometry

    Find area of triangle: a = 21cm, b = 26cm, angle = 71°. Give your answer to 2 decimal places

    Answer: 258.13cm²
  4. 4. Ratio

    a:b is 3:2 and b:c is 5:6. Find a:b:c in its simplest form.

    Answer: 15:10:12
  5. 5. Statistics

    Find the mean, median and range of: 56, 70, 42, 47, 62, 92, 27. Give your answer to 2 decimal places

    Answer: Mean = 56.57, Median = 56, Range = 65

Thursday 13 June 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √396

    Answer: 6√11
  2. 2. Algebra

    Complete the square: x² - 9x - 11

    Answer: (x - 9⁄2)² - 125⁄4
  3. 3. Geometry

    Find area of triangle: a = 23cm, b = 27cm, angle = 40°. Give your answer to 2 decimal places

    Answer: 199.59cm²
  4. 4. Ratio

    a:b is 1:9 and b:c is 4:7. Find a:b:c in its simplest form.

    Answer: 4:36:63
  5. 5. Statistics

    Find the mean, median and range of: 18, 81, 42, 92, 71, 21, 75, 22, 67. Give your answer to 2 decimal places

    Answer: Mean = 54.33, Median = 67, Range = 74

Friday 14 June 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √112

    Answer: 4√7
  2. 2. Algebra

    Complete the square: x² - 11x - 2

    Answer: (x - 11⁄2)² - 129⁄4
  3. 3. Geometry

    Find area of triangle: a = 27cm, b = 29cm, angle = 54°. Give your answer to 2 decimal places

    Answer: 316.73cm²
  4. 4. Ratio

    a:b is 3:4 and b:c is 7:4. Find a:b:c in its simplest form.

    Answer: 21:28:16
  5. 5. Statistics

    Find the mean, median and range of: 67, 58, 17, 21, 70, 35, 54, 48, 92. Give your answer to 2 decimal places

    Answer: Mean = 51.33, Median = 54, Range = 75