7th Grade Math Semester 1 Test (accommodated)

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What is the process of simplifying an expression?

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Simplifying an expression involves combining like terms and performing operations to reduce the expression to its simplest form.

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What is a coefficient in an algebraic expression?

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A coefficient is a numerical factor that multiplies a variable in an algebraic expression. For example, in 63xyz, the coefficient is 63.

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How do you divide fractions?

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What is the formula to find speed?

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Speed is calculated by dividing the distance traveled by the time taken. The formula is Speed = Distance / Time.

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What does it mean to combine like terms?

Back

Combining like terms means to add or subtract terms that have the same variable raised to the same power.

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What is the distributive property?

Back

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.

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How do you solve for a variable in an equation?

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To solve for a variable, isolate the variable on one side of the equation using inverse operations.

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What is an equivalent expression?

Back

An equivalent expression is an expression that has the same value as another expression for all values of the variable.

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