Chapter 0 Vocabulary

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Across
  1. 2. Terms that contain the exact same variables raised to the same powers. Only the coefficients (the numbers in front) can differ. They can be combined through addition or subtraction.
  2. 4. Expressions: Expressions that have the exact same value for any valid numbers plugged into their variables. They look different but behave exactly the same way mathematically.
  3. 5. A mathematical rule stating that multiplying a number by a sum or difference in parentheses is equivalent to multiplying that outer number by each term inside the parentheses.
  4. 6. Equations that have the exact same solution(s). They are formed by applying algebraic properties (like adding or multiplying the same value on both sides) to the original equation.
Down
  1. 1. A mathematical phrase containing numbers, variables, and operation symbols. It does not contain an equal sign and cannot be solved, only simplified or evaluated.
  2. 3. To find the numerical value of an expression by substituting given numbers in place of the variables and following the order of operations.
  3. 7. A mathematical statement declaring that two expressions are equal. It always contains an equal sign (=) and can be solved to find the value of the variables.
  4. 8. The specific value or set of values for a variable that makes the equation true when substituted in.