Which of the following pairs of equations represents parallel lines?

A. Y = 2X + 1 AND Y = 2X - 3
Posted in:  Linear Equations -  Algebra -  Mathematics

A store sells pencils for $0.50 each and erasers for $0.75 each. If a student buys a total of 10 items for $6.00, how many pencils did the student buy?

B. 6
Posted in:  Linear Equations -  Algebra -  Mathematics

If the equation y = 2x + 1 corresponds to the equation y = 3x - 2, then which of the following corresponds to y = 4x + 3?

A. Y = 5X + 4
Posted in:  Linear Equations -  Analogy -  Verbal Reasoning

If the equation x + y = 5 corresponds to the equation 2x + 2y = 10, then which of the following corresponds to x + 3y = 12?

A. 2X + 6Y = 24
Posted in:  Linear Equations -  Analogy -  Verbal Reasoning

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

A. 24
Posted in:  Linear Equations -  Algebra -  Mathematics