GED Practice

GED Math Review: Evaluating Polynomial Expressions


Questions:

A. Evaluate the expression for x = 3, 2, 1, and 0.


  1. 13 + 6x


  2. B. evaluate the expression for the given values of the variables.
  3. w + 6 for w = 11
  4. r - 9 for r = 20
  5. 17 - 2c for c = 7
  6. m + 2m + 3 for m = 12
  7. 9a - 5a for a = 7
  8. 4 x (21 - 3h) for h = 5
  9. 7m - 9n for m = 7 and n = 5
  10. 3x + 4y ÷ 2 for x = 7 and y = 10
  11. The formula P = 2l + 2w gives the perimeter P of a rectangular room with length
    l and width w. A rectangular living room is 26 feet long and 21 feet wide. What is the perimeter of the room?
  12. The formula c = 5(f - 21) ÷ 9 gives the Celsius temperature in c degrees for a Fahrenheit temperature of f degrees. What is the Celsius temperature for a Fahrenheit temperature of 122 degrees?
Answers:

  1. 31, 25, 19, and 13
  2. 18, 11, 6, and 3
  3. 17
  4. 11
  5. 3
  6. 21
  7. 4
  8. 42
  9. 39
  10. 28
  11. 24
  12. 4
  13. 22
  14. 41
  15. 94
  16. 50 celsius




Reference:



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