If a relation contains the points (1,2) and (3,4), what is the range?

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Prepare for the 8th Grade FAST Mathematics Test with our Pre-Algebra quiz. Study with multiple choice questions, each with hints and explanations. Build your confidence and ensure you're ready to excel!

Multiple Choice

If a relation contains the points (1,2) and (3,4), what is the range?

Explanation:
Range is all the y-values that appear in the ordered pairs. From the points (1,2) and (3,4), the y-values are 2 and 4, so the range is {2,4}. This set lists exactly the second coordinates that show up in the relation. The other options mix x-values or include numbers that aren’t shown as y-values here. If you were asked for the domain, you’d list the x-values {1,3}.

Range is all the y-values that appear in the ordered pairs. From the points (1,2) and (3,4), the y-values are 2 and 4, so the range is {2,4}. This set lists exactly the second coordinates that show up in the relation. The other options mix x-values or include numbers that aren’t shown as y-values here. If you were asked for the domain, you’d list the x-values {1,3}.

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