2 years ago

Can a system of two linear equations have exactly two solutions?

1 answer:

3 0

Most linear systems you will encounter will have exactly one solution. However, it is possible that there are no solutions, or infinitely many. (It is not possible that there are exactly two solutions.) The word unique in this context means there is a solution, and it's the only one.

Hope this helps.

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Which of these expressions is equivalent to 6x - 10x + 20?

zhenek [66]

Answer:

The answer is=B

Good luck

5 0

2 years ago

F(x) = -5x<br> g(x) = 8x^2 - 5x - 9<br> find (f•g)(x)

Stells [14]

Answer:

Step-by-step explanation:

You are making composite functions, since all the answers provided dont fit, I only suggest to clearify that the lone term in the B option, is actually 45x and not 45.

If this is the case, composite functions means that you eval the expresion g(x) in every x variable found in f(x).

Using this, it gives you that f(g(x))= $-40x^{2} +25x+45$