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What is the graphical representation of the equations x + y = 5 and x - y = 1?

A. TWO INTERSECTING LINES
Posted in:  Linear Equations -  Algebra -  Mathematics

In a practical problem, if a car travels 60 km/h and a truck travels 40 km/h, how long will it take for the car to catch up with the truck if the truck had a 30-minute head start?

B. 1.5 HOURS
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If the equation y = 2x + 1 corresponds to the equation y = 4x + 2, which of the following corresponds to y = 3x + 3?

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

If the equations 5x + 2y = 20 and 10x + 4y = 40 correspond to each other, which of the following pairs of equations corresponds to 7x + 3y = 21?

A. 14X + 6Y = 42
Posted in:  Linear Equations -  Analogy -  Verbal Reasoning

If the equation y = 2x + 1 is to the graph of y = -x + 3, then which of the following pairs of equations is analogous?

B. Y = X + 4 AND Y = -X + 4
Posted in:  Linear Equations -  Analogy -  Verbal Reasoning