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# Eighth Grade (Grade 8) Polynomials and Rational Expressions Questions

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Grade 8 Polynomials and Rational Expressions
Combine Like Terms
$4x^2 + 5z + 18x^2$
1. $14x^2 + 5z$
2. $22x^2 + 5z$
3. $22x^2 - 5z$
4. $-18x^2 - 5z$
Grade 8 Polynomials and Rational Expressions
Multiply:
(4x-1)(3x+2)
1. $12x^2+3x-2$
2. $12x^2-5x+1$
3. $12x^2+11x+2$
4. $12x^2+5x-2$
Grade 8 Polynomials and Rational Expressions
What is the greatest common factor of the expression below?
$24x^5+36x^3-18x^2$
1. $2x^5$
2. $18x^2$
3. $3x$
4. $6x^2$
Grade 8 Polynomials and Rational Expressions
Grade 8 Polynomials and Rational Expressions
Grade 8 Polynomials and Rational Expressions
Grade 8 Polynomials and Rational Expressions
Grade 8 Polynomials and Rational Expressions
$x^2 = -11x - 10$
1. {5, 2}
2. {2, 9}
3. {5/2, 2/3}
4. {-10, -1}
Grade 8 Polynomials and Rational Expressions
Grade 8 Polynomials and Rational Expressions
A polynomial that has three terms
1. monomial
2. simplify
3. exponents
4. trinomial
Grade 8 Polynomials and Rational Expressions
a polynomial that has one term
1. exponent
2. variable
3. monomial
4. simplify
Grade 8 Polynomials and Rational Expressions
Grade 8 Polynomials and Rational Expressions
a polynomial that has two terms
1. monomial
2. simplify
3. distributive property
4. binomial
Grade 8 Polynomials and Rational Expressions
the sum or difference of one or more unlike terms
1. absolute value
2. like terms
3. polynomial
4. exponent
Grade 8 Polynomials and Rational Expressions

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Grade 8 Polynomials and Rational Expressions
Grade 8 Polynomials and Rational Expressions
Grade 8 Polynomials and Rational Expressions
If $a = -5$ and $b=6$, which expression has a value of 150?
1. $5ab$
2. $a^2 b$
3. $-ab^2$
4. $5a^2 b$
Grade 8 Polynomials and Rational Expressions
Grade 8 Polynomials and Rational Expressions
$4x^3 = - 1/54$
1. $- 1/3$
2. $- 1/6$
3. $- 1/9$
4. $- 1/12$
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