College Algebra CLEP Prep Practice Exam

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What is the value of 3x2y when x = 3 and y = 4?

  1. 72

  2. 12

  3. 16

  4. 36

The correct answer is: 72

In this scenario, x = 3 and y = 4. Therefore, the equation becomes 3(3)(2)(4), giving us 36(8) which equals 288. However, we need to find the value of 3x2y, which means we need to multiply all three numbers together in the parentheses to get the final answer. 3(2)(4) gives us 24, and when multiplied by 3, we get 72 as the final answer. Option B would be incorrect, as it only takes into account the values of x and y, but not the entire equation. Option C and D both incorrectly multiply x and y first, which would give us a different value altogether. Therefore, the correct answer is A 72.

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