Ask Question
24 January, 10:26

Evaluate 5x2-9 when x=-2

+4
Answers (1)
  1. 24 January, 10:28
    0
    answer: 11

    explanation: just plug in - 2 for x. the new problem becomes 5 (-2) ^2 - 9. Negative two squared is 4. 5 times 4 is 20. 20 minus 9 is 11.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Evaluate 5x2-9 when x=-2 ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers