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Pre-Algebra Examples
Step 1
Step 1.1
To find if the table follows a function rule, check to see if the values follow the linear form .
Step 1.2
Build a set of equations from the table such that .
Step 1.3
Calculate the values of and .
Step 1.3.1
Rewrite the equation as .
Step 1.3.2
Replace all occurrences of with in each equation.
Step 1.3.2.1
Replace all occurrences of in with .
Step 1.3.2.2
Simplify the left side.
Step 1.3.2.2.1
Remove parentheses.
Step 1.3.2.3
Replace all occurrences of in with .
Step 1.3.2.4
Simplify .
Step 1.3.2.4.1
Simplify the left side.
Step 1.3.2.4.1.1
Remove parentheses.
Step 1.3.2.4.2
Simplify the right side.
Step 1.3.2.4.2.1
Move to the left of .
Step 1.3.2.5
Replace all occurrences of in with .
Step 1.3.2.6
Simplify .
Step 1.3.2.6.1
Simplify the left side.
Step 1.3.2.6.1.1
Remove parentheses.
Step 1.3.2.6.2
Simplify the right side.
Step 1.3.2.6.2.1
Move to the left of .
Step 1.3.3
Solve for in .
Step 1.3.3.1
Rewrite the equation as .
Step 1.3.3.2
Move all terms not containing to the right side of the equation.
Step 1.3.3.2.1
Subtract from both sides of the equation.
Step 1.3.3.2.2
Subtract from .
Step 1.3.3.3
Divide each term in by and simplify.
Step 1.3.3.3.1
Divide each term in by .
Step 1.3.3.3.2
Simplify the left side.
Step 1.3.3.3.2.1
Cancel the common factor of .
Step 1.3.3.3.2.1.1
Cancel the common factor.
Step 1.3.3.3.2.1.2
Divide by .
Step 1.3.4
Replace all occurrences of with in each equation.
Step 1.3.4.1
Replace all occurrences of in with .
Step 1.3.4.2
Simplify the right side.
Step 1.3.4.2.1
Simplify .
Step 1.3.4.2.1.1
Multiply .
Step 1.3.4.2.1.1.1
Combine and .
Step 1.3.4.2.1.1.2
Multiply by .
Step 1.3.4.2.1.2
To write as a fraction with a common denominator, multiply by .
Step 1.3.4.2.1.3
Combine and .
Step 1.3.4.2.1.4
Combine the numerators over the common denominator.
Step 1.3.4.2.1.5
Simplify the numerator.
Step 1.3.4.2.1.5.1
Multiply by .
Step 1.3.4.2.1.5.2
Add and .
Step 1.3.4.3
Replace all occurrences of in with .
Step 1.3.4.4
Simplify the right side.
Step 1.3.4.4.1
Simplify .
Step 1.3.4.4.1.1
To write as a fraction with a common denominator, multiply by .
Step 1.3.4.4.1.2
Combine and .
Step 1.3.4.4.1.3
Combine the numerators over the common denominator.
Step 1.3.4.4.1.4
Simplify the numerator.
Step 1.3.4.4.1.4.1
Multiply by .
Step 1.3.4.4.1.4.2
Add and .
Step 1.3.5
Since is not true, there is no solution.
No solution
No solution
Step 1.4
Since for the corresponding values, the function is not linear.
The function is not linear
The function is not linear
Step 2
Step 2.1
To find if the table follows a function rule, check whether the function rule could follow the form .
Step 2.2
Build a set of equations from the table such that .
Step 2.3
Calculate the values of , , and .
Step 2.3.1
Solve for in .
Step 2.3.1.1
Rewrite the equation as .
Step 2.3.1.2
Simplify .
Step 2.3.1.2.1
Simplify each term.
Step 2.3.1.2.1.1
Raising to any positive power yields .
Step 2.3.1.2.1.2
Multiply by .
Step 2.3.1.2.2
Add and .
Step 2.3.2
Replace all occurrences of with in each equation.
Step 2.3.2.1
Replace all occurrences of in with .
Step 2.3.2.2
Simplify the left side.
Step 2.3.2.2.1
Remove parentheses.
Step 2.3.2.3
Replace all occurrences of in with .
Step 2.3.2.4
Simplify .
Step 2.3.2.4.1
Simplify the left side.
Step 2.3.2.4.1.1
Remove parentheses.
Step 2.3.2.4.2
Simplify the right side.
Step 2.3.2.4.2.1
Simplify each term.
Step 2.3.2.4.2.1.1
Raise to the power of .
Step 2.3.2.4.2.1.2
Move to the left of .
Step 2.3.2.4.2.1.3
Move to the left of .
Step 2.3.2.5
Replace all occurrences of in with .
Step 2.3.2.6
Simplify .
Step 2.3.2.6.1
Simplify the left side.
Step 2.3.2.6.1.1
Remove parentheses.
Step 2.3.2.6.2
Simplify the right side.
Step 2.3.2.6.2.1
Simplify each term.
Step 2.3.2.6.2.1.1
Raise to the power of .
Step 2.3.2.6.2.1.2
Move to the left of .
Step 2.3.2.6.2.1.3
Move to the left of .
Step 2.3.3
Solve for in .
Step 2.3.3.1
Rewrite the equation as .
Step 2.3.3.2
Move all terms not containing to the right side of the equation.
Step 2.3.3.2.1
Subtract from both sides of the equation.
Step 2.3.3.2.2
Subtract from both sides of the equation.
Step 2.3.3.2.3
Subtract from .
Step 2.3.4
Replace all occurrences of with in each equation.
Step 2.3.4.1
Replace all occurrences of in with .
Step 2.3.4.2
Simplify the right side.
Step 2.3.4.2.1
Simplify .
Step 2.3.4.2.1.1
Simplify each term.
Step 2.3.4.2.1.1.1
Apply the distributive property.
Step 2.3.4.2.1.1.2
Multiply by .
Step 2.3.4.2.1.1.3
Multiply by .
Step 2.3.4.2.1.2
Simplify by adding terms.
Step 2.3.4.2.1.2.1
Add and .
Step 2.3.4.2.1.2.2
Add and .
Step 2.3.4.3
Replace all occurrences of in with .
Step 2.3.4.4
Simplify the right side.
Step 2.3.4.4.1
Simplify .
Step 2.3.4.4.1.1
Simplify each term.
Step 2.3.4.4.1.1.1
Apply the distributive property.
Step 2.3.4.4.1.1.2
Multiply by .
Step 2.3.4.4.1.1.3
Multiply by .
Step 2.3.4.4.1.2
Simplify by adding terms.
Step 2.3.4.4.1.2.1
Add and .
Step 2.3.4.4.1.2.2
Add and .
Step 2.3.5
Solve for in .
Step 2.3.5.1
Rewrite the equation as .
Step 2.3.5.2
Move all terms not containing to the right side of the equation.
Step 2.3.5.2.1
Subtract from both sides of the equation.
Step 2.3.5.2.2
Subtract from .
Step 2.3.5.3
Divide each term in by and simplify.
Step 2.3.5.3.1
Divide each term in by .
Step 2.3.5.3.2
Simplify the left side.
Step 2.3.5.3.2.1
Cancel the common factor of .
Step 2.3.5.3.2.1.1
Cancel the common factor.
Step 2.3.5.3.2.1.2
Divide by .
Step 2.3.5.3.3
Simplify the right side.
Step 2.3.5.3.3.1
Divide by .
Step 2.3.6
Replace all occurrences of with in each equation.
Step 2.3.6.1
Replace all occurrences of in with .
Step 2.3.6.2
Simplify the right side.
Step 2.3.6.2.1
Simplify .
Step 2.3.6.2.1.1
Multiply by .
Step 2.3.6.2.1.2
Add and .
Step 2.3.6.3
Replace all occurrences of in with .
Step 2.3.6.4
Simplify the right side.
Step 2.3.6.4.1
Simplify .
Step 2.3.6.4.1.1
Multiply by .
Step 2.3.6.4.1.2
Add and .
Step 2.3.7
Since is not true, there is no solution.
No solution
No solution
Step 2.4
Calculate the value of using each value in the table and compare this value to the given value in the table.
Step 2.4.1
Calculate the value of such that when , , , and .
Step 2.4.1.1
Simplify each term.
Step 2.4.1.1.1
Multiply by by adding the exponents.
Step 2.4.1.1.1.1
Multiply by .
Step 2.4.1.1.1.1.1
Raise to the power of .
Step 2.4.1.1.1.1.2
Use the power rule to combine exponents.
Step 2.4.1.1.1.2
Add and .
Step 2.4.1.1.2
Raising to any positive power yields .
Step 2.4.1.1.3
Multiply by .
Step 2.4.1.2
Simplify by adding numbers.
Step 2.4.1.2.1
Add and .
Step 2.4.1.2.2
Add and .
Step 2.4.2
If the table has a quadratic function rule, for the corresponding value, . This check does not pass, since and . The function rule can't be quadratic.
Step 2.4.3
Since for the corresponding values, the function is not quadratic.
The function is not quadratic
The function is not quadratic
The function is not quadratic
Step 3
Step 3.1
To find if the table follows a function rule, check whether the function rule could follow the form .
Step 3.2
Build a set of equations from the table such that .
Step 3.3
Calculate the values of , , , and .
Step 3.3.1
Solve for in .
Step 3.3.1.1
Rewrite the equation as .
Step 3.3.1.2
Simplify .
Step 3.3.1.2.1
Simplify each term.
Step 3.3.1.2.1.1
Raising to any positive power yields .
Step 3.3.1.2.1.2
Multiply by .
Step 3.3.1.2.1.3
Raising to any positive power yields .
Step 3.3.1.2.1.4
Multiply by .
Step 3.3.1.2.2
Combine the opposite terms in .
Step 3.3.1.2.2.1
Add and .
Step 3.3.1.2.2.2
Add and .
Step 3.3.2
Replace all occurrences of with in each equation.
Step 3.3.2.1
Replace all occurrences of in with .
Step 3.3.2.2
Simplify .
Step 3.3.2.2.1
Simplify the left side.
Step 3.3.2.2.1.1
Remove parentheses.
Step 3.3.2.2.2
Simplify the right side.
Step 3.3.2.2.2.1
Simplify .
Step 3.3.2.2.2.1.1
Simplify each term.
Step 3.3.2.2.2.1.1.1
Raising to any positive power yields .
Step 3.3.2.2.2.1.1.2
Multiply by .
Step 3.3.2.2.2.1.2
Add and .
Step 3.3.2.3
Replace all occurrences of in with .
Step 3.3.2.4
Simplify .
Step 3.3.2.4.1
Simplify the left side.
Step 3.3.2.4.1.1
Remove parentheses.
Step 3.3.2.4.2
Simplify the right side.
Step 3.3.2.4.2.1
Simplify .
Step 3.3.2.4.2.1.1
Simplify each term.
Step 3.3.2.4.2.1.1.1
Raise to the power of .
Step 3.3.2.4.2.1.1.2
Move to the left of .
Step 3.3.2.4.2.1.1.3
Raising to any positive power yields .
Step 3.3.2.4.2.1.1.4
Multiply by .
Step 3.3.2.4.2.1.2
Add and .
Step 3.3.2.5
Replace all occurrences of in with .
Step 3.3.2.6
Simplify .
Step 3.3.2.6.1
Simplify the left side.
Step 3.3.2.6.1.1
Remove parentheses.
Step 3.3.2.6.2
Simplify the right side.
Step 3.3.2.6.2.1
Simplify .
Step 3.3.2.6.2.1.1
Simplify each term.
Step 3.3.2.6.2.1.1.1
Raise to the power of .
Step 3.3.2.6.2.1.1.2
Move to the left of .
Step 3.3.2.6.2.1.1.3
Raising to any positive power yields .
Step 3.3.2.6.2.1.1.4
Multiply by .
Step 3.3.2.6.2.1.2
Add and .
Step 3.3.3
Solve for in .
Step 3.3.3.1
Rewrite the equation as .
Step 3.3.3.2
Move all terms not containing to the right side of the equation.
Step 3.3.3.2.1
Subtract from both sides of the equation.
Step 3.3.3.2.2
Subtract from .
Step 3.3.3.3
Divide each term in by and simplify.
Step 3.3.3.3.1
Divide each term in by .
Step 3.3.3.3.2
Simplify the left side.
Step 3.3.3.3.2.1
Cancel the common factor of .
Step 3.3.3.3.2.1.1
Cancel the common factor.
Step 3.3.3.3.2.1.2
Divide by .
Step 3.3.4
Replace all occurrences of with in each equation.
Step 3.3.4.1
Replace all occurrences of in with .
Step 3.3.4.2
Simplify the right side.
Step 3.3.4.2.1
Simplify .
Step 3.3.4.2.1.1
Multiply .
Step 3.3.4.2.1.1.1
Combine and .
Step 3.3.4.2.1.1.2
Multiply by .
Step 3.3.4.2.1.2
To write as a fraction with a common denominator, multiply by .
Step 3.3.4.2.1.3
Combine and .
Step 3.3.4.2.1.4
Combine the numerators over the common denominator.
Step 3.3.4.2.1.5
Simplify the numerator.
Step 3.3.4.2.1.5.1
Multiply by .
Step 3.3.4.2.1.5.2
Add and .
Step 3.3.4.3
Replace all occurrences of in with .
Step 3.3.4.4
Simplify the right side.
Step 3.3.4.4.1
Simplify .
Step 3.3.4.4.1.1
To write as a fraction with a common denominator, multiply by .
Step 3.3.4.4.1.2
Combine and .
Step 3.3.4.4.1.3
Combine the numerators over the common denominator.
Step 3.3.4.4.1.4
Simplify the numerator.
Step 3.3.4.4.1.4.1
Multiply by .
Step 3.3.4.4.1.4.2
Add and .
Step 3.3.5
Since is not true, there is no solution.
No solution
No solution
Step 3.4
Calculate the value of using each value in the table and compare this value to the given value in the table.
Step 3.4.1
Calculate the value of such that when , , , , and .
Step 3.4.1.1
Simplify each term.
Step 3.4.1.1.1
Multiply by by adding the exponents.
Step 3.4.1.1.1.1
Multiply by .
Step 3.4.1.1.1.1.1
Raise to the power of .
Step 3.4.1.1.1.1.2
Use the power rule to combine exponents.
Step 3.4.1.1.1.2
Add and .
Step 3.4.1.1.2
Raising to any positive power yields .
Step 3.4.1.1.3
Multiply by by adding the exponents.
Step 3.4.1.1.3.1
Multiply by .
Step 3.4.1.1.3.1.1
Raise to the power of .
Step 3.4.1.1.3.1.2
Use the power rule to combine exponents.
Step 3.4.1.1.3.2
Add and .
Step 3.4.1.1.4
Raising to any positive power yields .
Step 3.4.1.1.5
Multiply .
Step 3.4.1.1.5.1
Multiply by .
Step 3.4.1.1.5.2
Multiply by .
Step 3.4.1.2
Simplify by adding numbers.
Step 3.4.1.2.1
Add and .
Step 3.4.1.2.2
Add and .
Step 3.4.2
If the table has a cubic function rule, for the corresponding value, . This check does not pass, since and . The function rule can't be cubic.
Step 3.4.3
Since for the corresponding values, the function is not cubic.
The function is not cubic
The function is not cubic
The function is not cubic
Step 4
There are no values for , , , and in the equations , , and that work for every pair of and .
The table does not have a function rule that is linear, quadratic, or cubic.