ISEE Mathematics Achievement Question 36: Answer and Explanation
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Question: 36
8. Which expression is equivalent to the expression (y + 5)(y - 1)
- A. y2 - 5
- B. y2 + 4
- C. y2 - 4y - 5
- D. y2 + 4y - 5
Correct Answer: D
Explanation:
The correct answer is (D). To determine the value of this expression, multiply the binomials using FOIL. Multiply the first, outer, inner, and last terms: