5
lesson pretestMultiple Choice

Pretest

Question 5 • Mathematics II

The point cap p times open paren x comma y close paren lies on the terminal side of an angle theta is equal to 3 pi over 4 in standard position. What are the signs of the values of x and y ?

Answer
A
Both x and y are negative.
B
x is negative, and y is positive.
C
x is positive, and y is negative.
D
Both x and y are positive.

Explanation

An angle of 3π/4 radians is 135°, which lies in Quadrant II. In Quadrant II, points have negative x-coordinates and positive y-coordinates. Therefore, x is negative and y is positive, which is choice B.

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