Change pack
Capstone Sep 13 - 19 25 questions
PDF (questions) PDF (answers)

Monday 13 September 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 3√176

    Answer: 12√11
  2. 2. Algebra

    Complete the square: x² + x + 7

    Answer: (x + 1⁄2)² + 27⁄4
  3. 3. Geometry

    Find area of triangle: a = 26cm, b = 16cm, angle = 71°. Give your answer to 2 decimal places

    Answer: 196.67cm²
  4. 4. Ratio

    a:b is 5:3 and b:c is 7:4. Find a:b:c in its simplest form.

    Answer: 35:21:12
  5. 5. Statistics

    Find the mean, median and range of: 71, 81, 57, 56, 84, 38, 22. Give your answer to 2 decimal places

    Answer: Mean = 58.43, Median = 57, Range = 62

Tuesday 14 September 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 4√90

    Answer: 12√10
  2. 2. Algebra

    Complete the square: 4x² - 16x + 13

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

    Find area of triangle: a = 20cm, b = 19cm, angle = 69°. Give your answer to 2 decimal places

    Answer: 177.38cm²
  4. 4. Ratio

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

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

    Find the mean, median and range of: 53, 64, 75, 88, 36, 29, 63, 10, 56. Give your answer to 2 decimal places

    Answer: Mean = 52.67, Median = 56, Range = 78

Wednesday 15 September 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √112

    Answer: 4√7
  2. 2. Algebra

    Complete the square: 3x² + 30x + 9

    Answer: 3(x + 5)² - 66
  3. 3. Geometry

    Find area of triangle: a = 13cm, b = 19cm, angle = 50°. Give your answer to 2 decimal places

    Answer: 94.61cm²
  4. 4. Ratio

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

    Answer: 20:12:9
  5. 5. Statistics

    Find the mean, median and range of: 86, 77, 99, 99, 94, 90, 83, 84, 88. Give your answer to 2 decimal places

    Answer: Mean = 88.89, Median = 88, Range = 22

Thursday 16 September 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √490

    Answer: 7√10
  2. 2. Algebra

    Complete the square: x² + 3x - 8

    Answer: (x + 3⁄2)² - 41⁄4
  3. 3. Geometry

    Find area of triangle: a = 24cm, b = 29cm, angle = 43°. Give your answer to 2 decimal places

    Answer: 237.34cm²
  4. 4. Ratio

    a:b is 4:3 and b:c is 8:7. Find a:b:c in its simplest form.

    Answer: 32:24:21
  5. 5. Statistics

    Find the mean, median and range of: 67, 41, 70, 60, 73, 33, 43. Give your answer to 2 decimal places

    Answer: Mean = 55.29, Median = 60, Range = 40

Friday 17 September 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √200

    Answer: 10√2
  2. 2. Algebra

    Complete the square: 4x² + 32x + 15

    Answer: 4(x + 4)² - 49
  3. 3. Geometry

    Find area of triangle: a = 16cm, b = 25cm, angle = 65°. Give your answer to 2 decimal places

    Answer: 181.26cm²
  4. 4. Ratio

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

    Answer: 63:36:28
  5. 5. Statistics

    Find the mean, median and range of: 91, 42, 31, 11, 66, 95, 58, 83. Give your answer to 2 decimal places

    Answer: Mean = 59.63, Median = 62, Range = 84