Ask Question
20 September, 03:12

If the value of b is 7, then what is the value of the expression - 3b2 + 25 = ?

A. 17 B. - 122 C. 122 D. 172. - 3 (7) 2+25-3*49+25-147+25-122

B.-122

+4
Answers (1)
  1. 20 September, 03:19
    0
    B

    substitute b = 7 into the expression and evaluate

    - 3 * (7) ² + 25 = ( - 3 * 49) + 25 = - 147 + 25 = - 122 → B
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “If the value of b is 7, then what is the value of the expression - 3b2 + 25 = ? A. 17 B. - 122 C. 122 D. 172. - 3 (7) ...” 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