3. What is the value of k when y = 8 and x = 2, and y is varies directly as x? a. 2 b. 4 с. -2 d. -4 4. If y varies directly as x such that when x - 3, y-12, find y when x = 4. b. 18 а. 16 C. -16 d. -18 5. If y varies directly as the of x, and y = 15 when x = 3, find y when x = 6. a. 30 %3D b. 35 с. 20 d. 25 6. What is y, if y is directly proportional to x, and x = 4 and k = 3? a. 7 b. 8 с. 10 d. 12 7. When y is varies inversely as x, find the value of k when x = 2 and y = 3. b. 2 a. 1 с. 3 d. 6 8. If y varies inversely as x, and y when x = 6, find y when x 2. a. 3 b. 2 с. 1 d. -3 9. If y varies inversely as x, and y = when x 12, find y when x = 3. a. 1 b. 2 С. 3 d. 4

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter12: Quadratic Functions
Section12.8: Joint And Combined Variation
Problem 11P
icon
Related questions
Question
1. As the number of gums you buy increases, the amount you will pay will also increases. What kind a
variation was described by the statement?
a direct
2. In y = kx, k stand for
b. inverse
c. joint
d. combined
%3D
å. constant number (b
constant of variation
C. constant of x
d. constant c
3. What is the value of k when y = 8 and x = 2, and y is varies directly as x?
a. 2
b. 4
C. -2
d. -4
4. If y varies directly as x such that when x = 3, y=12, find y when x = 4.
%3D
a. 16
b. 18
C. -16
d. -18
5. If y varies directly as the of x, and y = 15 when x = 3, find y when x = 6.
%3D
a. 30
b. 35
С. 20
d. 25
6. What is y, if y is directly proportional to x, and x = 4 and k 3?
a. 7
b. 8
C. 10
d. 12
7. When y is varies inversely as x, find the value of k when x = 2 and y 3.
lana a
a. 1
b. 2
с. 3
d. 6
8. If y varies inversely as x, and y:
when x = 6, find y when x = 2.
3
a. 3
b. 2
с. 1
d. -3
1
9. If y varies inversely as x, and y
when x = 12, find y when x = 3.
2
a. 1
b. 2
С. 3
d. 4
10. Variation where the ratio of one quantity to the product of the other two quantities is constant ar
they vary jointly.
b. inverse
c. joint
d. combined
a. direct
11. Translate, a varies jointly as b and c into an equation.
b. a = bc
c. k abc
d. c = kab
%3D
a. a = kbc
12. If a varies directly as b and c, a = 20 when b = 5 and C = 2. What is a, when b = 8 and c = 3?
a. 42
b. 44
C. 46
d. 48
13. Combined variation best illustrates as
kw
b. v =
a. k =
C. X =
k
d. none of the above
14. Translate, a varies directly as b and inversely as c, into an equation.
kb
b. a = -
kc
d. b =
ас
ab
a. k =
c. b =
C
C
a
15. If v varies directly to w and inversely to x, and v = 6 when w = 2 and x = 3. What is v when x = 4 an
w = 2?
a. 18
b. 19
с. 20
d. 21
Transcribed Image Text:1. As the number of gums you buy increases, the amount you will pay will also increases. What kind a variation was described by the statement? a direct 2. In y = kx, k stand for b. inverse c. joint d. combined %3D å. constant number (b constant of variation C. constant of x d. constant c 3. What is the value of k when y = 8 and x = 2, and y is varies directly as x? a. 2 b. 4 C. -2 d. -4 4. If y varies directly as x such that when x = 3, y=12, find y when x = 4. %3D a. 16 b. 18 C. -16 d. -18 5. If y varies directly as the of x, and y = 15 when x = 3, find y when x = 6. %3D a. 30 b. 35 С. 20 d. 25 6. What is y, if y is directly proportional to x, and x = 4 and k 3? a. 7 b. 8 C. 10 d. 12 7. When y is varies inversely as x, find the value of k when x = 2 and y 3. lana a a. 1 b. 2 с. 3 d. 6 8. If y varies inversely as x, and y: when x = 6, find y when x = 2. 3 a. 3 b. 2 с. 1 d. -3 1 9. If y varies inversely as x, and y when x = 12, find y when x = 3. 2 a. 1 b. 2 С. 3 d. 4 10. Variation where the ratio of one quantity to the product of the other two quantities is constant ar they vary jointly. b. inverse c. joint d. combined a. direct 11. Translate, a varies jointly as b and c into an equation. b. a = bc c. k abc d. c = kab %3D a. a = kbc 12. If a varies directly as b and c, a = 20 when b = 5 and C = 2. What is a, when b = 8 and c = 3? a. 42 b. 44 C. 46 d. 48 13. Combined variation best illustrates as kw b. v = a. k = C. X = k d. none of the above 14. Translate, a varies directly as b and inversely as c, into an equation. kb b. a = - kc d. b = ас ab a. k = c. b = C C a 15. If v varies directly to w and inversely to x, and v = 6 when w = 2 and x = 3. What is v when x = 4 an w = 2? a. 18 b. 19 с. 20 d. 21
Expert Solution
steps

Step by step

Solved in 4 steps with 4 images

Blurred answer
Recommended textbooks for you
Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
Algebra
ISBN:
9780395977224
Author:
Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:
McDougal Littell
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
College Algebra
College Algebra
Algebra
ISBN:
9781337282291
Author:
Ron Larson
Publisher:
Cengage Learning
Algebra for College Students
Algebra for College Students
Algebra
ISBN:
9781285195780
Author:
Jerome E. Kaufmann, Karen L. Schwitters
Publisher:
Cengage Learning
College Algebra
College Algebra
Algebra
ISBN:
9781938168383
Author:
Jay Abramson
Publisher:
OpenStax