Practice Algebraic Identities (2.3.4) - Algebra

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10 questions

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4 questions · about 3 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
Expand (a + b)².
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Use the square of a binomial identity.
Question 2.
What does the difference of squares identity state?
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Think of how to break down two squares.
3Question 3.
What is the square of the binomial (a + b)?
- a² + 2ab + b²
- a² - 2ab + b²
- 2a² + 2b²
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Remember the expansion rule of binomials.
4Question 4.
True or False: The difference of squares can be expressed as a² + b².
- True
- False
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Focus on what subtraction versus addition means in algebra.
Question 5.
Using the identities, factor a³ + 8.
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Consider how to represent a cube and an identity next to each other.
Question 6.
Expand (2x - 3)² and simplify the result.
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Think of the square of the binomial expansion.

6 more questions in this section. Enroll free to practise them all.