Name:    SOL Topic #2: Coordinate Formulas

Multiple Choice
Identify the choice that best completes the statement or answers the question.

1.

What is the slope of the line through (-2, 3) and (1, 1)?
 a. b. c. d. 2

2.

A circle whose center is at (1, -3) passes through (7, 5).  What is the length of the radius of the circle?
 a. 10 b. c. d. 14

3. a. (-8, -5) b. (-9, 1) c. (3, 4) d. (9, 2)

4. a. (2, 3) b. (3.5, 2) c. (2.5, 6) d. (6, 2.5)

5. a. b. c. d. 6. a. b. c. 2 d. 3

7. a. b. c. d. 8. a. b. 13 c. 17 d. 169

9.

The town plaza in a certain town is a parallelogram. The town’s planning committee has decided to build a fountain at the center of the plaza. This sketch shows the corner points when placed on a coordinate grid. Which coordinates show where the fountain will be located?
 a. (2, 0.5) b. (0.5, 2) c. (3, 1.5) d. (1.5, 1)

10.

The coordinates of the midpoint of AB are — a. (5, 3) b. (-5, 3) c. (2, 5) d. (-2, 5)

11.

Parallelogram ABCD is placed on a coordinate grid as shown. What is the approximate length of diagonal AC?
 a. 3.0 units b. 5.4 units c. 9.0 units d. 10.6 units

12.

Which is most likely the slope of the line graphed? a. b. c. d. 4