Ask questions and get helpful responses.

Alg 1

The product of two consecutive integers, n and n+1, is 42. What is the positive integer that satisfies the situation? Is it 6 x 7?

  1. 👍
  2. 👎
  3. 👁
  4. ℹ️
  5. 🚩
  1. Your answer is correct. How did you get it?

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
  2. That two consecutive numbers that multiply and equal 42 is 6x7. 6 + 1+7

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
  3. But, did you solve it using algebra?

    n(n + 1) = 42
    n^2 + n - 42 = 0
    ( n-6)(n+7) = 0
    n = 6 or n = -7
    n cannot = -7
    therefore n = 6 and n + 1 = 7

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩

Respond to this Question

First Name

Your Response

Still need help? You can ask a new question.