Semester 2 - FINAL EXAM REVIEW

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1

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If an investment of $1400 increases by 9% each year, what is its value after 25 years?

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$12,072.30

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Find the solution to the system of equations: 3x - 8y = 19 and 3x + 5y = -46.

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(-7, -5)

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What is the formula for exponential growth?

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What does it mean for an equation to be fully simplified?

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An equation is fully simplified when it is expressed in its simplest form, with no like terms remaining.

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What is the definition of a system of equations?

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A system of equations is a set of two or more equations with the same variables.

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What is the process to solve a system of equations using substitution?

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1. Solve one equation for one variable. 2. Substitute that expression into the other equation. 3. Solve for the remaining variable.

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What is the definition of exponential growth?

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Exponential growth occurs when the growth rate of a value is proportional to its current value, leading to growth that accelerates over time.