medium · GRE Quant
Which of the following lines is perpendicular to the line y = (2)/(5)x + 10 and passes through the origin?
- y = -(2)/(5)x
- y = (5)/(2)x
- y = -(5)/(2)x
- y = -(5)/(2)x + 10
- y = 2.5x
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