GCSE Higher Revision Starters 10

Module 3 RevisionNon – calculator

Factorise the following

x² + 12x + 20x² - 12x + 35x² - 7x - 18

x² + 10x - 24x² - x - 56

x² - 12x + 35x² - 36

Simplify

x² + 8x + 15x² + 3x - 10

x² - x - 30 x² – 25

x² + x - 202x² - 5x - 12

Write the recurring decimal as a fraction

0.444440.777770.222220.1515150.6767670.8282820.3673673670.7127127120.0525252

Write √45 + √80 in the form a√5Write √125 - √20 in the form a√5

Simplify the following 8√2 15 √33√5 x 4√3(4√5)² + 100½

(√5 + 2)(√5 + 7)

Show that (√6 + 2)(√6 - 2) equals 2