Answers EAP-Algebra Functions and Data Analysis A CR Test — TestQuestion 19

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Question 19 • EAP-Algebra Functions and Data Analysis A CR

On a science test, 2 points are deducted from a total of 100 points for each question answered incorrectly. Trevor scored an 84 on the test. The equation 100−2x=84, where x represents the number of questions answered incorrectly, represents the situation. How many questions did Trevor answer incorrectly?

Answer

A

8 questions

B

9 questions

C

12 questions

D

13 questions

Explanation

Start with 100 − 2x = 84. Subtract 84 from 100 to find the total points deducted: 16. Since each incorrect answer costs 2 points, divide 16 by 2 to get x = 8, so Trevor answered 8 questions incorrectly.

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