A system of equations is shown below.
2 answers:
<h3>Answer: Choice C</h3>
No solutions if k is anything but 21
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Explanation:
Let's multiply everything in the first equation by 3
3x-2y = 7
3*(3x-2y) = 3*7
9x - 6y = 21
We have the 9x-6y match perfectly with the left hand side of the second original equation.
If k = 21, then we have two identical equations that produce infinitely many solutions.
If , then this system is inconsistent and has no solutions.
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Answer:
Step-by-step explanation:
2x - 18 = x - 10
−8 = −x
[Plug this back into both equations above to get the y-coordinate of −2];
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