Question:
If m varies jointly as n and j, and m = 16 when n = 2, and j = 4, find when n = 5 and j = 7.
[tex]\underline{\mathbb{REMEMBER:}}[/tex]
[tex]\boxed{\tt{Solution:}}[/tex]
- m = 16, n = 2, j = 4
- m = knj
- 16 = k · 2 · 4
- 16 = k · 8
- 16/8 = k
- 2 = k
[tex]\huge\boxed{\tt{ANSWER:}}[/tex]
- The constant of variation is 2.
- A. 2
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Find m when n = 1 and j = -3?
[tex]\boxed{\tt{Solution:}}[/tex]
- m = ?, n = 1, j = -3, k = 2
- m = 2 · 1 · -3
- m = 2 · -3
- m = -6
[tex]\huge\boxed{\tt{ANSWER:}}[/tex]
