8
QuizMultiple Choice

Solving One-Variable Inequalities — Unit test

Question 8 • AZ-Algebra 1A (MA101)

The box below shows the first two of four steps for identifying equivalent expressions.• Simplify each expression. • Substitute a number for each variable. ••Which shows the last two steps in the directions?

Answer
A
• Compare the resulting expressions.• If they have identical terms, the expressions are equivalent.
B
• Compute the value of each expression. • Compare the values. If they are equal, the expressions are equivalent.
C
• Decide if there are like terms in each expression. • Compare the like terms to simplify each expression.
D
• Compare each expression, looking for like terms between them.• If each term matches one in the other expression, they are equivalent.

Explanation

After substituting a number for each variable, evaluate each expression using that number. Then compare the results: if the values are equal, the expressions pass this check as equivalent. This matches choice B, “Compute the value of each expression” and “Compare the values.”

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