Question

Which equation represents the data shown in the table below?

Answer 1

Answer:

  B.  y = x +3

Step-by-step explanation:

The fastest way to find this answer is to substitute offered values of x and y into the given equations to see if they are true.

Substitution

Using the first line in the table, (x, y) = (2, 5), we have ...

  A  5 = 2(2) . . . . false

  B  5 = 2 +3 . . . . true

  C  5 = 3(2) . . . . false

  D  5 = 2 +1 . . . . false

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Additional comment

Checking answer choices against the problem statement is one of many possible strategies for answering multiple-choice questions.