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Lesson: Challenging Arithmetic - 20

Even and Odd Powers

[Page 20 of 30]

A negative number raised to an even power becomes positive:

Video Lesson - Even and Odd Powers

A negative number raised to an odd power remains negative:

Therefore:

and

could be positive or negative, since we don't know whether y is even or odd.

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Test Prep Lessons With Video Lessons and Explained MCQ

Large number of solved practice MCQ with explanations. Video Lessons and 10 Fully explained Grand/Full Tests.

Each exam has different types of math sections. The sections may be called Mathematics or Arithmetic Problem Solving. In the math section of the exam, you will be tested on basic math skills such as addition, subtraction, multiplication, and division. Some sections may include fractions, decimals, graphs and percentages. All questions will be a multiple choice format. The amount of math questions on each test will vary.

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