# MAT. 126 - definition of sin A

by T

(ATLANTA)

Ashford 4 : - Week 3 - Quiz

Time Remaining:

1. What is the definition of sin A for the following triangle?

(Points : 1)

2. Which quadrilateral is a trapezoid? (Points : 1)

3. Determine whether the system is consistent, inconsistent, or dependent.

3x + 2y = 15

6x + 4y = 30 (Points : 1)

Consistent

Dependent

Inconsistent

4. The triangles in the figure below are similar. Use the proportional property of similar triangles to find the measure of x.

(Points : 1)

34.2 km

29.2 km

25.2 km

19.2 km

5. Find the circumference of the circle. Use = 3.14.

(Points : 1)

113.04 cm

18.84 cm

56.52 cm

37.68 cm

6. Which triangle is obtuse? (Points : 1)

7. Determine whether the system is consistent, inconsistent, or dependent.

2x + 2y = 2

6x + 6y = 6 (Points : 1)

Inconsistant

Consistent

Dependent

Consistent and Dependent

8. Carla invested $23,000, part at 16% and part at 15%. If the total interest at the end of the year is $3,500, how much did she invest at 16%? (Points : 1)

$4,000

$18,000

$6,000

$5,000

9. Classify the angle as acute, right, obtuse, or straight.

(Points : 1)

Obtuse

Right

Straight

Acute

10. Identify angles 2 and 7 as alternate interior, alternate exterior, corresponding, or vertical.

(Points : 1)

Alternate exterior

Vertical

Alternate interior

Corresponding

11. Classify the triangle according to sides.

(Points : 1)

Scalene

Isosceles

Equilateral

12. Find the measure of the supplement of 58°. (Points : 1)

32°

148°

302°

122°

13. In triangle ABC, angle C is a right angle. Find the measure of angle B if side b = 105 m and side c = 139 m. (Points : 1)

49°

59°

53°

47°

14. Identify angles 6 and 7 as alternate interior, alternate exterior, corresponding, or vertical.

(Points : 1)

Vertical

Alternate interior

Alternate exterior

Corresponding

15. Find the perimeter.

(Points : 1)

25 inches

45 inches

40 inches

35 inches

16. The difference between the ages of two friends is 2 years. The sum of their ages is 74 years. Find the age of the older friend. (Points : 1)

38

36

39

37

17. Which of the following is not a way to name the angle shown?

(Points : 1)

18. Determine whether or not the relation is a function.

{(1, 9), (2, 10), (3, 11), (4, 12)} (Points : 1)

No

Yes

19. Find the domain and range of the relation, and state whether or not the relation is a function.

{(7, 2), (8, 2), (9, 2), (10, 2)} (Points : 1)

Domain = {2}, Range = {7, 8, 9, 10}

The relation is not a function.

Domain = {2}, Range = {7, 8, 9, 10}

The relation is a function.

Domain = {7, 8, 9, 10}, Range = {2}

The relation is not a function.

Domain = {7, 8, 9, 10}, Range = {2}

The relation is a function.

20. Find the coordinates of the x-intercept.

2x + y = -6 (Points : 1)

(-6, 0)

(0, -3)

(0, -6)

(-3, 0)

Time Remaining: