Ask Question
10 October, 05:18

If y varies directly as x, and y = 15 as x = - 3, find y for the x-value of 4.

+3
Answers (1)
  1. 10 October, 05:44
    0
    Y = kx

    15 = - 3k

    k = - 5

    so if x = 4

    y = kx

    y = (-5) (4) = - 20

    answer

    y = - 20 when the x = 4.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “If y varies directly as x, and y = 15 as x = - 3, find y for the x-value of 4. ...” 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