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Ninth Grade (Grade 9) Polynomials and Rational Expressions Questions

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Grade 9 Polynomials and Rational Expressions
Grade 9 Polynomials and Rational Expressions
Simplify
[math]2x + 3x^2 - 5x +4 - 7x^2[/math]
  1. [math]7x^2 +4[/math]
  2. [math]7x +10x^2 +4[/math]
  3. [math]-4x^2 -3x +4[/math]
  4. [math]-3x^6[/math]
Grade 9 Polynomials and Rational Expressions
Grade 9 Polynomials and Rational Expressions
Combine Like Terms
[math]4x^2 + 5z + 18x^2[/math]
  1. [math]14x^2 + 5z[/math]
  2. [math]22x^2 + 5z[/math]
  3. [math]22x^2 - 5z[/math]
  4. [math]-18x^2 - 5z[/math]
Grade 9 Polynomials and Rational Expressions
What is the simplest for of [math](3c^2 - 8c + 5) + (c^2 - 8c - 6)[/math]?
  1. [math]3c^2 - 1[/math]
  2. [math]4c^2 + 11[/math]
  3. [math]4c^2 - 16c - 1[/math]
  4. [math]2c^2 - 16c - 1[/math]
Grade 9 Polynomials and Rational Expressions
What is the simplest form of [math]2ab^2(4a + 3a^3b)[/math]?
  1. [math]6a^2b^2 + 5a^4b^3[/math]
  2. [math]8a^2b^2 + 6a^4b^3[/math]
  3. [math]8ab^2 + 6a^3b^2[/math]
  4. [math]14a^5b^3[/math]
Grade 9 Polynomials and Rational Expressions
[math](9k+ 4n) - (11k + 6n)[/math]
  1. [math]2k + 10n[/math]
  2. [math]-2k -2n[/math]
  3. [math]2k - 2n[/math]
  4. [math]20k -10k[/math]
Grade 9 Polynomials and Rational Expressions
What is the simplest form of (2n - 6)(4n + 2)?
  1. [math]6n^2 + 28n - 12[/math]
  2. [math]8n^2 - 12[/math]
  3. [math]8n^2 - 20n - 12[/math]
  4. [math]8n^2 + 20n - 12[/math]
Grade 9 Polynomials and Rational Expressions
Which of the following shows the terms of [math]x^2 + 5x^3 - 4 - 2x[/math] arranged so the the powers of x are in descending order?
  1. [math]5x^3 - 2x + x^2 - 4[/math]
  2. [math]-4 - 2x + x^2 + 5x^3[/math]
  3. [math]5x^3 - 4 - 2x + x^2[/math]
  4. [math]5x^3 + x^2 - 2x - 4[/math]
Grade 9 Polynomials and Rational Expressions
Grade 9 Polynomials and Rational Expressions
Grade 9 Polynomials and Rational Expressions
Grade 9 Polynomials and Rational Expressions
What is the simplest for of (x+3)(x+5)?
  1. [math]x^2 + 8x + 15[/math]
  2. [math]x^2 + 15[/math]
  3. [math]2x + 8[/math]
  4. [math]2x + 15[/math]
Grade 9 Polynomials and Rational Expressions
A polynomial that has two terms
  1. monomial
  2. trinomial
  3. binomial
Grade 9 Polynomials and Rational Expressions
[math](12c + 8d) - (7c - 5d)[/math]
  1. [math]19c - 3d[/math]
  2. [math]19c + 13d[/math]
  3. [math]5c - 3d[/math]
  4. [math]5c + 13d[/math]
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
Simplify:
[math]2x^2-4xy+8x^2+16xy-8[/math]
  1. [math]8x^2-12xy+8[/math]
  2. [math]11xy-8[/math]
  3. [math]10x^2+12xy-8[/math]
  4. [math]4x^2+20xy+8[/math]
Grade 9 Polynomials and Rational Expressions
a polynomial that has one term
  1. exponent
  2. binomial
  3. monomial
  4. trinomial
Grade 9 Polynomials and Rational Expressions CCSS: HSA-APR.A.1
[math]-a^2[/math] is a
(select all that apply)
  1. Monomial
  2. Binomial
  3. Trinomial
  4. Polynomial
  5. None of the above
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