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Capstone Aug 26 - Sep 1 25 questions
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Monday 26 August 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 5√80

    Answer: 20√5
  2. 2. Algebra

    Complete the square: x² - 7x + 6

    Answer: (x - 7⁄2)² - 25⁄4
  3. 3. Geometry

    Find area of triangle: a = 20cm, b = 20cm, angle = 41°. Give your answer to 2 decimal places

    Answer: 131.21cm²
  4. 4. Ratio

    a:b is 5:4 and b:c is 9:1. Find a:b:c in its simplest form.

    Answer: 45:36:4
  5. 5. Statistics

    Find the mean, median and range of: 87, 47, 48, 46, 75, 41, 37, 83

    Answer: Mean = 58, Median = 47.5, Range = 50

Tuesday 27 August 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 3√275

    Answer: 15√11
  2. 2. Algebra

    Complete the square: x² - 11x - 9

    Answer: (x - 11⁄2)² - 157⁄4
  3. 3. Geometry

    Find area of triangle: a = 22cm, b = 24cm, angle = 49°. Give your answer to 2 decimal places

    Answer: 199.24cm²
  4. 4. Ratio

    a:b is 3:8 and b:c is 3:8. Find a:b:c in its simplest form.

    Answer: 9:24:64
  5. 5. Statistics

    Find the mean, median and range of: 51, 69, 12, 24, 24, 50, 74. Give your answer to 2 decimal places

    Answer: Mean = 43.43, Median = 50, Range = 62

Wednesday 28 August 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √686

    Answer: 7√14
  2. 2. Algebra

    Complete the square: x² - 3x - 12

    Answer: (x - 3⁄2)² - 57⁄4
  3. 3. Geometry

    Find area of triangle: a = 19cm, b = 16cm, angle = 50°. Give your answer to 2 decimal places

    Answer: 116.44cm²
  4. 4. Ratio

    a:b is 9:5 and b:c is 7:1. Find a:b:c in its simplest form.

    Answer: 63:35:5
  5. 5. Statistics

    Find the mean, median and range of: 97, 95, 60, 24, 42, 40, 88. Give your answer to 2 decimal places

    Answer: Mean = 63.71, Median = 60, Range = 73

Thursday 29 August 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √891

    Answer: 9√11
  2. 2. Algebra

    Complete the square: x² + 5x + 2

    Answer: (x + 5⁄2)² - 17⁄4
  3. 3. Geometry

    Find area of triangle: a = 28cm, b = 14cm, angle = 60°. Give your answer to 2 decimal places

    Answer: 169.74cm²
  4. 4. Ratio

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

    Answer: 35:40:64
  5. 5. Statistics

    Find the mean, median and range of: 60, 55, 61, 65, 83, 62, 11. Give your answer to 2 decimal places

    Answer: Mean = 56.71, Median = 61, Range = 72

Friday 30 August 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 2√20

    Answer: 4√5
  2. 2. Algebra

    Complete the square: x² - 11x

    Answer: (x - 11⁄2)² - 121⁄4
  3. 3. Geometry

    Find area of triangle: a = 22cm, b = 19cm, angle = 48°. Give your answer to 2 decimal places

    Answer: 155.32cm²
  4. 4. Ratio

    a:b is 5:4 and b:c is 7:4. Find a:b:c in its simplest form.

    Answer: 35:28:16
  5. 5. Statistics

    Find the mean, median and range of: 23, 31, 54, 51, 60, 98, 81. Give your answer to 2 decimal places

    Answer: Mean = 56.86, Median = 54, Range = 75