一个ll Algebra II Resources
Example Questions
Example Question #1 :Variable Relationships
varies directly with the square root of. If, then. What is the value ofif?
None of these answers are correct.
Ifvaries directly with the square root of, then for some constant of variation,
If, then; therefore, the equation becomes
,
或
.
Divide by 5 to get, making the equation
.
If, then.
Example Question #2 :Variable Relationships
Ifvaries directly withand when,due to the effect of a constant, what is the value ofwhen?
Sincevaries directly with,whereis a constant.
1. Solve forwhenand.
2. Use your equation to solve forwhen.
Example Question #3 :Variable Relationships
Ifvaries indirectly withand when,due to the effect of a constant, what is the value ofwhen?
Sincevaries indirectly with,
1. Solve forwhenand.
2. Use the equation you found to solve forwhen.
Example Question #4 :Variable Relationships
varies directly with. If, what isif?
1. Sincevaries directly with:
with K being some constant.
2. Solve for K using the x and y values given:
3. Use the equation you solved for to find the value of y:
Example Question #5 :Variable Relationships
varies inversely with. If, then what isequal to when?
1. Sincevaries indirectly with:
2. Use the given x and y values to determine the value of K:
3. Using the equation along with the value of K, find the value of y when x=5:
Example Question #6 :Variable Relationships
varies directly withand when. What iswhen?
1. Sincevaries directly with:
2. Use the values given for x and y to solve for K:
3. Use your new equation with the K you solved for to solve for y when x=27:
Example Question #7 :Variable Relationships
varies inversely with. When. What is the value ofwhen?
1. Since y varies indirectly with:
2. Solve for K using the x and y values given:
3. Using the equation you created by solving for K, find y when x=100:
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