Dec 19 Extra Credit Fundamentals of math review

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What is the distributive property in mathematics?

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The distributive property states that a(b + c) = ab + ac. It allows you to multiply a single term by two or more terms inside a set of parentheses.

Tags

CCSS.6.EE.A.3

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Simplify the expression: –(–9 – 6x) + 6(8 – 3x)

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57 – 12x

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CCSS.6.EE.A.3

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How do you determine if a number is a solution to an equation?

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To determine if a number is a solution, substitute the number into the equation and check if both sides are equal.

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CCSS.6.EE.B.5

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Is 11 a solution to the equation 5x + 26 = 9x + 18?

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Yes

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CCSS.6.EE.B.5

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What is the value of the expression ab - b if a = 5 and b = 6?

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24

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CCSS.6.EE.A.2C

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Simplify the expression: 14(b – 10)

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14b – 140

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CCSS.6.EE.A.3

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What does it mean to simplify an expression?

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To simplify an expression means to reduce it to its simplest form by combining like terms and performing operations.

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CCSS.7.EE.A.1

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Simplify the expression: -7(w - 4) + 3w - 27

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-4w + 1

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CCSS.6.EE.A.3

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What is a variable in mathematics?

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A variable is a symbol used to represent an unknown value, often denoted by letters such as x, y, or z.

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CCSS.6.EE.A.2B

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What is the difference between an equation and an expression?

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An equation states that two expressions are equal, while an expression is a combination of numbers, variables, and operations without an equality sign.