GRE Plane and Coordinate Geometry 2

Question 1

What is the distance between the points (1, 2) and (4, 6)?

Accepted Answer

5

Answer

7

Answer

25

Answer

√7

Question 2

What is the midpoint of the segment joining (−2, 3) and (6, −1)?

Accepted Answer

(2, 1)

Answer

(4, 2)

Answer

(2, 2)

Answer

(1, 2)

Question 3

What is the slope of the line through (0, −3) and (2, 5)?

Accepted Answer

4

Answer

2

Answer

−4

Answer

1/4

Question 4

A line has equation y = −2x + 7. What is its y-intercept?

Accepted Answer

7

Answer

−2

Answer

−7

Answer

2

Question 5

Two lines are perpendicular. One has slope 3. What is the slope of the other?

Accepted Answer

−1/3

Answer

1/3

Answer

−3

Answer

3

Question 6

What is the area of a circle with radius 5?

Accepted Answer

25π

Answer

10π

Answer

5π

Answer

50π

Question 7

A triangle has a base of 8 and a height of 5. What is its area?

Accepted Answer

20

Answer

40

Answer

13

Answer

26