  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: