Which of the following equations represents a line that passes through point (7,6) and is parallel to the x- axis?
Correct answer: D. y=6
- A. x=6
- B. x=7
- C. y=7
- D. y=6
Explanation
A line parallel to the x-axis must have a constant y-value, as it does not rise or fall. The correct equation for the line passing through (7,6) is y=6. Option A and B are vertical lines parallel to the y-axis. Option C is a horizontal line but does not pass through (7,6).
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Quantitative reasoning applies arithmetic and basic algebra to numerical relationships, including percentages, ratios, averages, fractions, proportions, profit and loss, rates, time, work and measurement. Questions focus on translating words into equations, choosing an efficient method and checking whether the result is numerically reasonable.
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