Ask Question
29 October, 18:37

If y=x^2+2x

Find the value of y when x=-1

+5
Answers (1)
  1. 29 October, 18:38
    0
    y=x^2+2x

    Substitute - 1 for x

    y=-1^2+2 (-1)

    Square - 1

    y=1+2 (-1)

    Multiply 2 by - 1

    y=1 + (-2)

    Subtract 2 from 1

    Final Answer: y=-1
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “If y=x^2+2x Find the value of y when x=-1 ...” 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