# eQuizShow

## alg2

### Factoring

Question: Factor: 3x^{2} + x

Answer: x(3x + 1)

Question: y^{2} - 9

Answer: (y - 3)(y + 3)

Question: X^{2} - 14X - 32

Answer: (X - 16)(X + 2)

Question: 2X^{2} - 5X - 3

Answer: (X - 3)(2X + 1)

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Answer:

### Rational Expressions

Question: What value of x would make the following fraction undefined?

^{1}⁄_{(x-2)}

Answer: x = 2

Question: Combine:

^{1}⁄_{x} + ^{1}⁄_{2}

Answer: ^{(2 + x)}⁄_{2x}

Question: Simplify:

Answer: xy^{2}

Question: Simplify:

Answer: (x - 1)

x

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Answer:

### Equations

Question: 2x + 6 = -10

Answer: x = -8

Question: x^{2} - 3x + 4 = 0

Answer: x = 4, x = -1

Question: 3(2 - x) = 8(x - 2)

Answer: x = 2

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Answer: x = 3

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### Formulas

Question: What is the formula for product and sum of the roots of a quadratic equation?

Answer: sum = -b/a

product = c/a

Question: What is the discriminant formula?

Answer: Discriminant = b^{2} - 4ac

Question: What is the quadratic formula?

Answer:

Question: What is the formula for writing an quadratic equation knowing its sum and product?

Answer: x^{2} - (sum)x + product = 0

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### Others

Question: What is the imaginary unit?

Answer: i = square root of -1

Question: Simplify square root 32

Answer: 4 square root 2

Question: simplify: i^{14}

Answer: 1

Question: What is the LCD for 3x, 4x^{2}y, and 2y^{3}

Answer: 12x^{2}y^{3}

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