Algebra 1 Team Decathlon -- Event #6

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Translate this phrase into an algebraic expression: The difference of 100 and the sum of 6 and w

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Translate this phrase into an algebraic expression: Four divided by the sum of a number and twelve.

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What is the definition of a variable in algebra?

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A symbol used to represent an unknown value.

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What is the definition of an equation?

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A mathematical statement that asserts the equality of two expressions.

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What does it mean to isolate a variable?

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To manipulate an equation to get the variable on one side and all other terms on the other.

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What is the slope-intercept form of a linear equation?

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What is the difference between an expression and an equation?

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An expression does not have an equality sign, while an equation does.