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Lesson: Challenging Arithmetic - 25

Square Root of negative number

[Page 25 of 30]

Square roots with the same base can be added or subtracted:

Square root of a number represents half power to the number.

Square root of a negative number is an irrational number. Irrational numbers are out of scope of the general tests.

Video Lesson - Square Roots of Negative Number

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While adding or subtracting terms involving square roots, just add or subtract the coefficients of the term.

However:

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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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