GED Practice

GED Math Review: System of Equations Word Problems


Questions:
Use the information for questions 1 through 4.


Mrs. Morales wrote a test with 15 questions covering spelling and vocabulary. Spelling questions are worth 5 points and vocabulary questions are worth 10 points. The maximum number of points possible on the test is 100.

  1. Write an equation relating the number of questions on the test; convert it to slope-intercept form.
  2. write an equation relating the total points on the test; convert it to slope-intercept form.
  3. What is the solution to the system of equations?
  4. How many of each question type are on the test?
Answer:

  1. x + y = 15, y = -x + 15


  2. (10, 5)
  3. 10 spelling questions; 5 vocabulary questions






Reference:


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