12.4.11: Chapter 11
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Try It
- ⓐ 1C
- ⓑ Engineering Building
- ⓐ 1A
- ⓑ Library
- A: (5,1)
- B: (−2,4)
- C: (−5,−1)
- D: (3,−2)
- A: (4,2)
- B: (−2,3)
- C: (−4,−4)
- D: (3,−5)
- A: (4,0)
- B: (0,3)
- C: (−3,0)
- D: (0,−5)
- A: (−3,0)
- B: (0,−3)
- C: (5,0)
- D: (0,2)
ⓐ, ⓒ
ⓑ, ⓒ
ⓑ
ⓐ, ⓑ
y=3x−1 | ||
---|---|---|
x | y | (x,y) |
0 | −1 | (0,−1) |
−1 | −4 | (−1,−4) |
2 | 5 | (2,5) |
y=6x+1 | ||
---|---|---|
x | y | (x,y) |
0 | 1 | (0,1) |
1 | 7 | (1,7) |
−2 | −11 | (−2,−11) |
2x−5y=20 | ||
---|---|---|
x | y | (x,y) |
0 | −4 | (0,−4) |
10 | 0 | (10,0) |
−5 | −6 | (−5,−6) |
3x−4y=12 | ||
---|---|---|
x | y | (x,y) |
0 | −3 | (0,−3) |
4 | 0 | (4,0) |
−4 | −6 | (−4,−6) |
Answers will vary.
Answers will vary.
Answers will vary.
Answers will vary.
Answers will vary.
Answers will vary.
- ⓐ yes ⓑ yes
- ⓐ no ⓑ no
- ⓐ no ⓑ no
- ⓐ yes ⓑ yes
x-intercept (2,0): y-intercept (0,−2)
x-intercept (3,0); y-intercept (0,2)
(4,0) and (0,12)
(8,0) and (0,2)
x-intercept (4,0); y-intercept: (0,−3)
x-intercept (4,0); y-intercept: (0,−2)
- ⓐ intercepts
- ⓑ horizontal line
- ⓒ plotting points
- ⓓ vertical line
- ⓐ vertical line
- ⓑ plotting points
- ⓒ horizontal line
- ⓓ intercepts
43
14
−23
−43
25
34
−43
−35
54
32
undefined
0
1
1
−1
10
712
512
−136
−148
Section 11.1 Exercises
C(1, -3) D(4, 3)
S(-2, 4) T(-4, -2)
C(0, -1) D(-1, 0)
ⓐ, ⓑ
ⓐ, ⓒ
ⓑ, ⓒ
ⓐ, ⓑ
x | y | (x,y) |
---|---|---|
−1 | −6 | (−1,−6) |
0 | −4 | (0,−4) |
2 | 0 | (2,0) |
x | y | (x,y) |
---|---|---|
−2 | 7 | (−2,7) |
0 | 5 | (0,5) |
3 | 2 | (3,2) |
x | y | (x,y) |
---|---|---|
−2 | 1 | (−2,1) |
0 | −2 | (0,−2) |
2 | −5 | (2,−5) |
- ⓐ
- ⓑ Age and weight are only positive.
Answers may vary.
Section 11.3 Exercises
(3,0),(0,3)
(5,0),(0,−5)
(−2,0),(0,−2)
(−1,0),(0,1)
(0,0)
(4,0),(0,4)
(−2,0),(0,−2)
(5,0),(0,−5)
(−3,0),(0,3)
(8,0),(0,4)
(2,0),(0,6)
(12,0),(0,−4)
(2,0),(0,−8)
(5,0),(0,2)
(4,0),(0,−6)
(3,0),(0,−1)
(−10,0),(0,2)
(0,0)
(0,0)
vertical line
horizontal line
plotting points
intercepts
plotting points
horizontal line
intercepts
plotting points
ⓐ (0,1,000),(15,0). ⓑ At (0,1,000) he left Chicago 0 hours ago and has 1,000 miles left to drive. At (15,0) he left Chicago 15 hours ago and has 0 miles left to drive.
Answers will vary.
Answers will vary.
Section 11.4 Exercises
14
−32
25
54
−13
−34
34
−52
−23
14
0
undefined
0
undefined
52
34
−52
−85
73
−1
13
ⓐ 350 ⓑ rise=3;run=50
- ⓐ 288 inches (24 feet)
- ⓑ Models will vary.
Answers will vary.
Answers will vary.
Review Exercises
- ⓐ III
- ⓑ II
- ⓒ IV
- ⓐ I
- ⓐ (5,3)
- ⓑ (2,−1)
- ⓒ (−3,−2)
- ⓓ (−1,4)
- ⓐ (2,0)
- ⓑ (0,−5)
- ⓒ (−4,0)
- ⓓ (0,3)
ⓑ,ⓒ
x | y | (x,y) |
---|---|---|
0 | −1 | (0,−1) |
1 | 3 | (1,3) |
−2 | −9 | (−2,−9) |
x | y | (x,y) |
---|---|---|
5 | 0 | (5,0) |
1 | 2 | (1,2) |
−1 | 3 | (−1,3) |
Answers will vary.
Answers will vary.
- ⓐ yes ⓑ yes
- ⓐ no ⓑ no
- ⓐ yes ⓑ yes
- ⓐ yes ⓑ yes
(0,3) (3,0)
(−1,0) (0,1)
(0,0)
horizontal line
intercepts
plotting points
43
−23
1
−12
undefined
0
−4
12