NAEP Mathematics Grade 8

Category - Mathematics

In a coordinate plane, the points (2,4) and (3,-1) are on a line. Which of the following must be true?
  1. The line crosses the x-axis.
  2. The line passes through (0,0).
  3. The line stays above the x-axis at all times.
  4. The line rises from the lower left to the upper right.
  5. The line is parallel to the y-axis.
Explanation
Answer: A - The line crosses the x-axis.
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