Southern New Hampshire University - 7-2 Problem Set_ Module Seven
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School
Southern New Hampshire University *
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Course
140
Subject
Mathematics
Date
Apr 3, 2024
Type
Pages
11
Uploaded by brienncaervin
2/22/24, 11:06 PM
Southern New Hampshire University - 7-2 Problem Set: Module Seven
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MAT-140-X3745 Precalculus 24EW3 : MAT-140 : 1466672
, 7-2 Problem Set: Module Seven
Brie Ervin, 2/22/24 at 10:17:19 PM EST
Question1:
Score 6/6
Write an equation describing the relationship of the given variables.
varies directly as the fourth power of and when , .
Your response
Correct response
3x^4
3*x^4
Auto graded
Grade:
1/1.0 Total grade: 1.0×1/1 = 100%
Feedback:
The general formula for direct variation with a fourth power is . The constant can be found
by dividing by the fourth power of .
Now use the constant to write an equation that represents this relationship.
2/22/24, 11:06 PM
Southern New Hampshire University - 7-2 Problem Set: Module Seven
https://snhu-mat140.mobius.cloud/modules/gradeProctoredTest.Login
2/11
Question2:
Score 6/6
Write an equation describing the relationship of the given variables.
varies inversely as the cube root of and when , .
Your response
Correct response
28/x^(1/3)
Auto graded
Grade:
1/1.0 Total grade: 1.0×1/1 = 100%
Feedback:
The general formula for inverse variation with a cube root is . The constant can be found
by multiplying by the cube root of .
Now use the constant to write an equation that represents this relationship.
Question3:
Score 6/6
2/22/24, 11:06 PM
Southern New Hampshire University - 7-2 Problem Set: Module Seven
https://snhu-mat140.mobius.cloud/modules/gradeProctoredTest.Login
3/11
Use the given information to find the unknown value.
varies directly as the cube of . When , then . Find when .
Enter the exact answer.
Your response
Correct response
13.671875
875/64
Auto graded
Grade:
1/1.0 Total grade: 1.0×1/1 = 100%
Feedback:
The general formula for direct variation with a cube is . The constant can be found by
dividing by the cube of .
Now use the constant to write an equation that represents this relationship.
Substitute and solve for .
2/22/24, 11:06 PM
Southern New Hampshire University - 7-2 Problem Set: Module Seven
https://snhu-mat140.mobius.cloud/modules/gradeProctoredTest.Login
4/11
Question4:
Score 6/6
Use the given information to find the unknown value.
varies inversely with the cube of . When , then . Find when .
Enter the exact answer.
Your response
Correct response
8
8
Auto graded
Grade:
1/1.0 Total grade: 1.0×1/1 = 100%
Feedback:
The general formula for inverse variation with a cube is . The constant can be found by
multiplying by the cube of .
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