GRE Question of the Day (September 12)

Math

Perpendicular lines m and n intersect at point (a, b), where a > b > 0. The slope of line m is between 0 and 1. Which of the following statements MUST be true ?

Indicate all such statements.

A. The x-intercept of line m is positive.

B. The y-intercept of line m is negative

C. The x-intercept of line n is positive.

D. The y-intercept of line n is negative.

E. The product of the x- and y-intercepts of line m is not positive,

F. The sum of the x-intercepts of lines m and n is positive.

Correct Answer - C, E  - (click and drag your mouse to see the answer)

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