Proportional means that if one increases so does the other eg volume of a balloon increases if you heat it - heat is proportional to volume in gases.
Non proportional means that they don't have a similar relationship.
The answer is obviously 3 but for the equation to use would be N=7-4 but looking at the choices I'd go with B
Answer:
n = 25
Step-by-step explanation:
-2n + 15 = n - 60
Subtract 15 to both sides
-2n = n - 75
Subtract n to both sides
-3n = -75
Divide -3 to both sides
n = 25
Best of Luck!
Answer:
2y^2 + 18x
Step-by-step explanation:
If complex coefficients are allowed, the answer is 3.
If the polynomial must have real coefficients, then each complex root comes as a pair of complex conjugate roots.
Root -5 is real, so that is 1 root, and degree 1.
Root 1 + 4i is complex, so it must come with its complex conjugate, 1 - 4i. This adds 2 roots to the polynomial, and now we're up to degree 3.
Root -4i is also complex. It also must come with its complex conjugate, 4i. That adds two more roots, and the degree is 5.
Answer: The least possible degree is 5 with real coefficients.
