Linear Homework 1. C 2. A 3. 0.75 = 75 or

Linear Homework
1. C
2. A
100βˆ’25
3. 0.75π‘₯ = 75 or 100 π‘₯ βˆ’ 75
4. 𝐷
5. 221 = 5 + 6𝑠; 36 students on each bus
6. B
7. First equation is table B, second equation is table C, and third
equation is table A
8. C
9. Ran 7.5 and biked 16.5; raised $78 more biking than running
2
10. 𝐢 = 0.75 ( βˆ— 96) ; 48
3
11.
οƒ–
οƒ–
οƒ–
12. Mark all except for the 1st, 2nd, and 5th one
13. 70 = 10 + 5𝑣
14. False, true, true
7
15. 2 𝑑 + 4𝑑 = 60; 𝑑 = 8 hours
Geometry Homework
1. Yes, no, no, yes
2. 30 degrees
3. Yes, yes, no, no
4. Yes, yes, no, no
5. 7.4
6. 12 feet
7. 3.5
8. βˆ π‘ƒ and βˆ π‘‹
9. 75°
10. 49 inches
11. 13.8
12. Yes, no, yes, no
13. 13.9
14. A)
√2
2
B) βˆ’
√2
2
C) 0 D) βˆ’1
Quadratic Homework
1. A
2. A
3. D
4. False, True, False
5. Find the average of the two y-values. Then draw a line that basically
appears through the middle of the two graphs. The equation will be
close to 𝑦 = 2π‘₯.
6. -0.3 and -1.4
7. A
8. False, False, True
9. Sample answer: 2(π‘₯ + 4) + 2(π‘₯ + 3) = 4π‘₯ + 14
10. Yes, No, No, No
11. D
Mixed Review Homework
1. Yes, no, no, yes, no
2. B
3. C
4. B
5. 7
6. 4
7. A and B
8. C
9. Irrational, rational, rational, irrational
10. B, D
11. No answer
12. No, yes, no, no
13. No, yes, yes, no
14. 2, 1
15. 𝑓 (π‘₯) = βˆ’2(π‘₯ βˆ’ 3)(π‘₯ βˆ’ 9); 3 π‘Žπ‘›π‘‘ 9
16. A
2 2
576
2
17. 28 (π‘₯ + 7) βˆ’ 7 ; βˆ’ 7
18. B
19. D
20. D
21. 6, 2, 0, βˆ’3, βˆ’5
22. 𝐢 and the largest possible area is 15625