Algebraic Expressions Question
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Olivia must determine which of these four expressions are equivalent to each other.
Expression A: 5x+6
Expression B: 3(x+2)
Expression C: 3x+3x+6
Expression D: 2x+x+6
Olivia says that all four expressions are equivalent because the value of each one is 6 when x=0.
Olivia’s thinking is incorrect.
Identify the error in Olivia’s thinking. Determine which of the four expressions are equivalent. Explain or show your process in determining which expressions are equivalent.
Enter your answer and your explanation or process in the space provided.
Expression A: 5x+6
Expression B: 3(x+2)
Expression C: 3x+3x+6
Expression D: 2x+x+6
Olivia says that all four expressions are equivalent because the value of each one is 6 when x=0.
Olivia’s thinking is incorrect.
Identify the error in Olivia’s thinking. Determine which of the four expressions are equivalent. Explain or show your process in determining which expressions are equivalent.
Enter your answer and your explanation or process in the space provided.