Xavier is attempting to recreate a problem his teacher showed him in class. To do so, he creates the table below.xy132?He remembers that the slope of the line through the ordered pairs in the table was 4. What is the missing y-value in the table?

The table gives the points (1, 3) and (2, y). Using the slope formula, (y − 3) ÷ (2 − 1) = 4. Since the x-values differ by 1, the y-value must be 4 greater than 3, so the missing value is 7, choice B.

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