SAT Prep

Category - Math

Which of the points on the graph below lies on the line x/3 − y/4 = 1?
  1. A
  2. B
  3. C
  4. D
  5. E
Explanation
Answer: D - Point D lies on the line x/3 − y/4 = 1. If a point lies on a line, then its coordinates satisfy the equation of the line. Point D has coordinates x = 6 and y = 4.
x/3 − y/4 = 1
6/3 − 4/4 = 1
2 − 1 = 1
1 = 1
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