SAT Math Multiple Choice Question 928: Answer and Explanation

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Question: 928

12.

A system of three equations and their graphs are shown above. How many solutions doesthe system of equations have?

  • A. None
  • B. One
  • C. Two
  • D. Three

Correct Answer: B

Explanation:

B

Difficulty: Easy

Category: Passport to Advanced Math / Quadratics

Strategic Advice: Graphically speaking, the solution to a system of equations is the point or points where ALL the graphs intersect.

Getting to the Answer: There is only one point on the graph where all three equations intersect, (1, 4). Therefore, (B) is the correct answer.

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