Which number is irrational? A. -0.25 B. -5/9 C. ∛25 D. √49
2 answers:
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Answer: C.
Step-by-step explanation:
The x coordinate is 2, which is 2 units right of (0, 0)
- √5 is the y coordinate
- (√5) = - (2.23) = -2.23
The y coordinate is -2.23 or 2.23 down from (0, 0)
The rest of the ordered pairs are slightly off the edge of the circle.
