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Questions and Answers
What is the expansion of the binomial $(x + a)(x + b)$?
What is the expansion of the binomial $(x + a)(x + b)$?
- $x^2 + (a - b)x + ab$
- $x^2 + (2a + b)x + ab$
- $x^2 + (a + 2b)x + ab$
- $x^2 + (a + b)x + ab$ (correct)
What is the general form for the square of a binomial $(a + b)$?
What is the general form for the square of a binomial $(a + b)$?
- $a^2 + 2ab + b^2$ (correct)
- $a^2 + 3ab + b^2$
- $a^2 + ab + b^2$
- $a^2 - ab + b^2$
What is the expansion of the binomial $(x - y)(x + z)$?
What is the expansion of the binomial $(x - y)(x + z)$?
- $x^2 + (y + z)x - yz$
- $x^2 + (y - z)x + yz$
- $x^2 + (y + z)x + yz$
- $x^2 + (z - y)x - yz$ (correct)
What is the purpose of substituting specific values for variables in algebraic expressions?
What is the purpose of substituting specific values for variables in algebraic expressions?
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What is the expansion of the binomial $(a - b)^2$?
What is the expansion of the binomial $(a - b)^2$?
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What is the expansion of the product of $(x + a)$ and $(x - a)$?
What is the expansion of the product of $(x + a)$ and $(x - a)$?
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If $x^2 + 5x + 6 = (x + a)(x + b)$, what is the value of $a$ and $b$?
If $x^2 + 5x + 6 = (x + a)(x + b)$, what is the value of $a$ and $b$?
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What is the expansion of $(x + 2y)^2?
What is the expansion of $(x + 2y)^2?
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If $(a + b)^2 = 9x^2 + 12x + 4$, what is the value of $a$ and $b$?
If $(a + b)^2 = 9x^2 + 12x + 4$, what is the value of $a$ and $b$?
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What is the expansion of $(x + 2y)(x - 3y)$?
What is the expansion of $(x + 2y)(x - 3y)$?
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