Which is a solution to 2x + 1 = 21?
1 answer:
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For a system of linear equations, the solution for the system is____.
Answer: The solution to a system of linear equations in two variables is any ordered pair that satisfies each equation independently. In this example, the ordered pair (4,7) is the solution to the system of linear equations.
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Answer: The solution to a system of linear equations in two variables is any ordered pair that satisfies each equation independently. In this example, the ordered pair (4,7) is the solution to the system of linear equations.
Picture:
The denominator in each term of the series is a square number, but neither 
nor 
are squares. So none of (1), (2), and (4) can be correct. The answer must be (3).