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# Unit 19: Operations and Algebra 227-228

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- Square rootsGet 5 of 7 questions to level up!
- Cube rootsGet 5 of 7 questions to level up!
- Equations with square roots & cube rootsGet 3 of 4 questions to level up!
- Roots of decimals & fractionsGet 3 of 4 questions to level up!
- Equations with square roots: decimals & fractionsGet 3 of 4 questions to level up!
- Square and cube challengeGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 480 Mastery points

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- Multiply powersGet 3 of 4 questions to level up!
- Powers of powersGet 3 of 4 questions to level up!
- Divide powersGet 3 of 4 questions to level up!
- Powers of products & quotientsGet 3 of 4 questions to level up!

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- Negative exponentsGet 3 of 4 questions to level up!

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- Multiply & divide powers (integer exponents)Get 5 of 7 questions to level up!
- Powers of products & quotients (integer exponents)Get 3 of 4 questions to level up!

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- Multiplication and division with powers of tenGet 5 of 7 questions to level up!
- Approximating with powers of 10Get 3 of 4 questions to level up!

Level up on the above skills and collect up to 320 Mastery points

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- Multiplying & dividing in scientific notationGet 3 of 4 questions to level up!
- Adding & subtracting in scientific notationGet 3 of 4 questions to level up!

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- Equations with variables on both sidesGet 3 of 4 questions to level up!
- Equations with variables on both sides: decimals & fractionsGet 3 of 4 questions to level up!

### Practice

- Equations with parenthesesGet 3 of 4 questions to level up!
- Equations with parentheses: decimals & fractionsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 320 Mastery points

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- Number of solutions to equationsGet 3 of 4 questions to level up!
- Number of solutions to equations challengeGet 3 of 4 questions to level up!

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- Sums of consecutive integersGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 240 Mastery points

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- Rates & proportional relationshipsGet 5 of 7 questions to level up!
- Graphing proportional relationshipsGet 3 of 4 questions to level up!

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- Solutions to 2-variable equationsGet 3 of 4 questions to level up!
- Complete solutions to 2-variable equationsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 320 Mastery points

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- Intercepts from a graphGet 3 of 4 questions to level up!
- Intercepts from an equationGet 3 of 4 questions to level up!

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- Slope from graphGet 3 of 4 questions to level up!
- Slope from two pointsGet 3 of 4 questions to level up!
- Slope from equationGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 400 Mastery points

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- Slope-intercept equation from graphGet 3 of 4 questions to level up!
- Slope-intercept from two pointsGet 3 of 4 questions to level up!

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- Evaluate functionsGet 3 of 4 questions to level up!
- Evaluate functions from their graphGet 3 of 4 questions to level up!
- Function rules from equationsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 240 Mastery points

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- Linear equations word problems: graphsGet 3 of 4 questions to level up!
- Linear equations word problemsGet 3 of 4 questions to level up!
- Linear models word problemsGet 3 of 4 questions to level up!

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- Compare linear functionsGet 3 of 4 questions to level up!
- Comparing linear functions word problemsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 400 Mastery points

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- Graphing linear relationships word problemsGet 3 of 4 questions to level up!
- Writing linear functions word problemsGet 3 of 4 questions to level up!

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- Recognize functions from tablesGet 3 of 4 questions to level up!
- Recognize functions from graphsGet 3 of 4 questions to level up!

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- Linear & nonlinear functionsGet 5 of 7 questions to level up!
- Interpreting graphs of functionsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 480 Mastery points

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- Systems of equations with graphingGet 3 of 4 questions to level up!

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- Systems of equations with substitutionGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 240 Mastery points

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- Number of solutions to a system of equations graphicallyGet 3 of 4 questions to level up!
- Number of solutions to a system of equations algebraicallyGet 3 of 4 questions to level up!

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### Practice

- Age word problemsGet 3 of 4 questions to level up!
- Systems of equations word problemsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 320 Mastery points

Level up on all the skills in this unit and collect up to 6,000 Mastery points!