Variation and Problem Solvong
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Tips- (DIRECT VARIATION)When substituting into the proportionality equation, remember to always stay consistent. |
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Tips- Do not confuse direct variation with inverse variation. |
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Step 1- write down equation y=kx |
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Step 2- Substitute the values of each variable into the equation |
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Step 3- Divide both sides of the equation x to solve for k |
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Step 4- Rewrite the direct variation equation using the value of the proportionality constant. |
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Step 5- substitute the value given in the second part of the problem into the new equation |
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Step 6- perform the indicated computations . |
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Tips- (INVERSE VARIATION)- remember as one increases the other decreases, or vice versa. |
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Step 1- analyze your data |
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Step 2- Express known and unknown values in an inverse variation equation |
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Step 3- plug in the value for "k" and solve for "F" |
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Tips- (JOINT VARIATION) remember that constant variation is a number that relates to how the value of one mathematical variable changes as another mathematical variable increases. |
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step 1- read the question being given carefully, noting which variables vary directly with which other variables |
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step 2- calculate the constant of variation by dividing the dependent variable by the independent variable. |
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step 3- finish solving the constant of variation problem |
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Read section 8.4 in Pearson for additional help |
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Created by:
jasmincarlton
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