Which of the following pairs of equations represents parallel lines?

A. 2X + Y = 5 AND 4X + 2Y = 10
Posted in:  Linear Equations -  Algebra -  Mathematics

If the equations 3x + 4y = 12 and 6x + 8y = k have infinitely many solutions, what is the value of k?

A. 24
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If the lines represented by the equations 3x + 2y = 12 and 6x + 4y = 24 are graphed, what can be concluded about their relationship?

C. THEY ARE THE SAME LINE.
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A practical problem states that a total of 50 apples and oranges are in a basket. If there are twice as many apples as oranges, how many oranges are there?

C. 20
Posted in:  Linear Equations -  Algebra -  Mathematics

If the solution to the equations 3x + 2y = 12 and 6x + 4y = 24 is (2, 3), what is the solution to the equations 4x + 3y = 18 and 8x + 6y = 36?

B. (2, 3)
Posted in:  Linear Equations -  Analogy -  Verbal Reasoning