FAST Review PM2 - M2A

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What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions and shows that one is greater than, less than, greater than or equal to, or less than or equal to the other.

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How do you solve the inequality 3j > 160?

Back

To solve for j, divide both sides by 3: j > 160/3, which simplifies to j > 53.33.

Front

What is the solution to the equation -3x + 5 = -16?

Back

To solve for x, subtract 5 from both sides to get -3x = -21, then divide by -3 to find x = 7.

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Front

What is the solution to the equation -15 = -4m + 5?

Back

To solve for m, subtract 5 from both sides to get -20 = -4m, then divide by -4 to find m = 5.

Front

What does it mean to simplify an expression?

Back

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

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What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac, allowing you to multiply a single term by two or more terms inside a parenthesis.

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What is a variable in mathematics?

Back

A variable is a symbol, often a letter, that represents a number in mathematical expressions or equations.

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What is the difference between an equation and an inequality?

Back

An equation states that two expressions are equal, while an inequality shows that one expression is greater than or less than another.