Math126 Week 3 Quiz Essay Example

Pages: 7 (833 words) Published: March 25, 2013
Date Taken: 3/7/2013
Time Spent: 2 h , 11 min , 30 secs
Points Received: 20 / 20 (100%)

Question Type: # Of Questions: # Correct:
Multiple Choice 20 20

Grade Details - All Questions
1. Question : The difference between the ages of two friends is 37 years. The sum of their ages is 55 years. Find the age of the older friend.

Student Answer: 46
9
47
45
Instructor Explanation: See section 8.2 of the textbook.

Points Received: 1 of 1
Comments:

2. Question : Which of the following is not a way to name the angle shown?

Student Answer:

Instructor Explanation: See section 10.1 of the textbook.

Points Received: 1 of 1
Comments:

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

Student Answer: 34.2 km
29.2 km
25.2 km
19.2 km
Instructor Explanation: See section 10.2 of the textbook.

Points Received: 1 of 1
Comments:

4. Question : Determine whether or not the network is traversable.

Student Answer: No, it is not traversable.
Yes, it is traversable.
Instructor Explanation: See section 10.7 of the textbook.

Points Received: 1 of 1
Comments:

5. Question : Find the slope of the line passing through the points (0, -4) and (-6, 7).

Student Answer: 11/6
-11/6
-6/11
6/11
Instructor Explanation: See section 8.1 of the textbook.

Points Received: 1 of 1
Comments:

6. Question : Identify angles 2 and 7 as alternate interior, alternate exterior, corresponding, or vertical.

Student Answer: Alternate exterior
Vertical
Alternate interior
Corresponding
Instructor Explanation: See section 10.1 of the textbook.

Points Received: 1 of 1
Comments:

7. Question : Classify the triangle according to sides.

Student Answer: Scalene
Isosceles
Equilateral
Instructor Explanation: See section 10.2 of the textbook.

Points Received: 1 of 1
Comments:

8. Question : Find the vertex of the parabola.
y = -2x2 + 12x - 13

Student Answer: (5, -3)
(-3, 5)
(3, 5)
(5, 3)
Instructor Explanation: See section 8.5 of the textbook.

Points Received: 1 of 1
Comments:

9. Question : What is the definition of sin A for the following triangle?

Student Answer:

Instructor Explanation: See section 10.6 of the textbook.

Points Received: 1 of 1
Comments:

10. Question : A tent is shaped like a pyramid. It has a square base measuring 8 feet on a side and a height of 6 feet. What is the volume of the tent?

Student Answer: 512 ft3
128 ft3
16 ft3
32 ft3
Instructor Explanation: See section 10.5 of the textbook.

Points Received: 1 of 1
Comments:

11. Question : Find the measure of the supplement of 58°.

Student Answer: 32°
148°
302°
122°
Instructor Explanation: See section 10.1 of the textbook.

Points Received: 1 of 1
Comments:

12. Question : Evaluate the function f(x) = -x2 + 5 for x = 4.

Student Answer: -9
-10
-12
-11
Instructor Explanation: See section 8.5 of the textbook.

Points Received: 1 of 1
Comments:

13. Question : 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.

Student Answer: 38
36...
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