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Ninth Grade (Grade 9) Polynomials and Rational Expressions Questions

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Grade 9 Polynomials and Rational Expressions
What is the simplest form 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
Simplify: [math]2x^2+5+4x^2-3[/math]
  1. [math]2x^2-2[/math]
  2. [math]-2x^2+2[/math]
  3. [math]6x^2+2[/math]
  4. [math]6x^2+8[/math]
Grade 9 Polynomials and Rational Expressions
Simplify:
[math](xy^-6z^-3)/(x^-4y^-5z)[/math]
  1. [math](xz)/(x^4y^11z^3)[/math]
  2. [math](x^4y^4)/(y^6z^3)[/math]
  3. [math]x^5/(yz^4)[/math]
  4. [math](x^3y^5)/(y^3z^2)[/math]
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
Simplify: [math]8x^3-4x+3x^3+6x^2-x[/math]
  1. [math]11x^3+6x^2-5x[/math]
  2. [math]11x^3+2x^2-x[/math]
  3. [math]5x^3+8x^2-3x[/math]
  4. [math]5x^3+6x^2+3x[/math]
Grade 9 Polynomials and Rational Expressions
Grade 9 Polynomials and Rational Expressions
Combine the polynomials.
[math](5x^3-2x^2+7x)+( -3x^3 + x^2 -5x)[/math]
  1. [math]2x^3+2x^2+2x[/math]
  2. [math]2x^3-x^2+2x[/math]
  3. [math]2x^3+3x^2+2x[/math]
  4. [math]2x^3+x^2+9x[/math]
Grade 9 Polynomials and Rational Expressions
Simplify the expression.
[math](2b^2 +8b - 10)+(-6b^2 +5 -3b)[/math]
  1. [math]-4b^2 +13b - 13[/math]
  2. [math]-4b^2 +5b - 15[/math]
  3. [math]-4b^2 +5b - 5[/math]
  4. [math]8b^2 +5b - 15[/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
Simplify: 5x + 12x
  1. 7x
  2. [math]7x^2[/math]
  3. 17x
  4. [math]17x^2[/math]
Grade 9 Polynomials and Rational Expressions
Simplify the expression.
[math](5m^2 - 4m - 8) - ( 3m^2-6m+2)[/math]
  1. [math]8m^2 - 10m +6[/math]
  2. [math]8m^2 +2m -10[/math]
  3. [math]2m^2 +2m -10[/math]
  4. [math]-2m^2 - 10m +6[/math]
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
[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 [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
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
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