GED Practice

GED Math Review: Variables and Algebraic Expressions


Questions:
Translate the following into algebraic expressions. Use the variable x to represent the unknown number in each expression unless otherwise noted.


  1. the difference between a number and 2
  2. twice a number, increased by 4
  3. 9 less than three times a number
  4. five times the sum of a number and -3
  5. 10 less than the product of 4 and a number
Answer:

  1. x - 2
  2. 2x + 4
  3. 5(x + (-3))
  4. 5(x + (-3))
  5. 4x - 10









Reference:


Complete Test Preparation for the GED Test 2014 by Steck-Vaughn