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Grade 9 Polynomials and Rational Expressions
Simplify
$2x + 3x^2 - 5x +4 - 7x^2$
1. $7x^2 +4$
2. $7x +10x^2 +4$
3. $-4x^2 -3x +4$
4. $-3x^6$
Grade 9 Polynomials and Rational Expressions
Grade 9 Polynomials and Rational Expressions
Grade 9 Polynomials and Rational Expressions
Which of the following shows the terms of $x^2 + 5x^3 - 4 - 2x$ arranged so the the powers of x are in descending order?
1. $5x^3 - 2x + x^2 - 4$
2. $-4 - 2x + x^2 + 5x^3$
3. $5x^3 - 4 - 2x + x^2$
4. $5x^3 + x^2 - 2x - 4$
Grade 9 Polynomials and Rational Expressions
What is the simplest form of $2ab^2(4a + 3a^3b)$?
1. $6a^2b^2 + 5a^4b^3$
2. $8a^2b^2 + 6a^4b^3$
3. $8ab^2 + 6a^3b^2$
4. $14a^5b^3$
Grade 9 Polynomials and Rational Expressions
What is the simplest for of $(3c^2 - 8c + 5) + (c^2 - 8c - 6)$?
1. $3c^2 - 1$
2. $4c^2 + 11$
3. $4c^2 - 16c - 1$
4. $2c^2 - 16c - 1$
Grade 9 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 9 Polynomials and Rational Expressions
What is the simplest form of (2n - 6)(4n + 2)?
1. $6n^2 + 28n - 12$
2. $8n^2 - 12$
3. $8n^2 - 20n - 12$
4. $8n^2 + 20n - 12$
Grade 9 Polynomials and Rational Expressions
Grade 9 Polynomials and Rational Expressions
What is the simplest for of (x+3)(x+5)?
1. $x^2 + 8x + 15$
2. $x^2 + 15$
3. $2x + 8$
4. $2x + 15$
Grade 9 Polynomials and Rational Expressions
$(9k+ 4n) - (11k + 6n)$
1. $2k + 10n$
2. $-2k -2n$
3. $2k - 2n$
4. $20k -10k$
Grade 9 Polynomials and Rational Expressions
Grade 9 Polynomials and Rational Expressions
Grade 9 Polynomials and Rational Expressions
$(12c + 8d) - (7c - 5d)$
1. $19c - 3d$
2. $19c + 13d$
3. $5c - 3d$
4. $5c + 13d$
Grade 9 Polynomials and Rational Expressions
Simplify:
$2x^2-4xy+8x^2+16xy-8$
1. $8x^2-12xy+8$
2. $11xy-8$
3. $10x^2+12xy-8$
4. $4x^2+20xy+8$
Grade 9 Polynomials and Rational Expressions
A polynomial that has two terms
1. monomial
2. trinomial
3. binomial
Grade 9 Polynomials and Rational Expressions
A polynomial that has three terms
1. monomial
2. binomial
3. exponents
4. trinomial
Grade 9 Polynomials and Rational Expressions CCSS: HSA-APR.A.1
$-a^2$ is a
(select all that apply)
1. Monomial
2. Binomial
3. Trinomial
4. Polynomial
5. None of the above
Grade 9 Polynomials and Rational Expressions
a polynomial that has one term
1. exponent
2. binomial
3. monomial
4. trinomial
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