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Ninth Grade (Grade 9) Exponents Questions

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Grade 9 Exponents
Simplify.
[math]x^30/x^-10[/math]
  1. [math]x^20[/math]
  2. [math]x^10[/math]
  3. [math]1/x^10[/math]
  4. [math]x^40[/math]
Grade 9 Exponents
Simplify.
[math](-3x^4y^2)^3[/math]
  1. [math]-27x^12y^6[/math]
  2. [math]-27xy[/math]
  3. [math]-27x^7y^ [/math]
  4. [math]-27x^7y^6[/math]
Grade 9 Exponents CCSS: HSA-SSE.B.3c
Evaluate: [math]x^{0}[/math]
  1. [math]0[/math]
  2. [math]1[/math]
  3. [math]x[/math]
  4. [math]x^2[/math]
  5. None of the above.
Grade 9 Exponents CCSS: HSN-RN.A.2
Simplify the expression: [math]-5y^3 + 2y^2 - 6y - 10y^2 + 10y^3 + y[/math]
  1. [math]5y^3 - 8y^2 - 5y[/math]
  2. [math]-5y^3 + 8y^2 + 5y[/math]
  3. [math]15y^3 + 12y^2 + 7y[/math]
  4. [math]-15y^3 - 12y^2 - 7y[/math]
Grade 9 Exponents
Simplify.
[math]-3xy^4*2x^2y^5[/math]
  1. [math]-6x^3y^9[/math]
  2. [math]-6x^2y^9[/math]
  3. [math]-1x^2y^20[/math]
  4. [math]-1x^3y^9[/math]
Grade 9 Exponents
Simplify.
[math](-4m^2n^3)^2[/math]
  1. [math]-4m^4n^5[/math]
  2. [math]-16m^4n^6[/math]
  3. [math]16m^4n^6[/math]
  4. [math]16m^2n^3[/math]
Grade 9 Exponents
Simplify.
[math]2m^3 *4m^2[/math]
  1. [math]8m^6[/math]
  2. [math]8m^5[/math]
  3. [math]6m^6[/math]
  4. [math]6m^5[/math]
Grade 9 Exponents
Simplify: [math](x^10)/(8x^5).[/math]
  1. [math](x^5)/8[/math]
  2. [math](1)/(8x^5)[/math]
  3. [math]8x^5[/math]
  4. [math](8)/(x^5)[/math]
Grade 9 Exponents CCSS: HSN-RN.A.2
Simplify: [math](32a^4b^2)/(8a^3b^2).[/math] Choose the best answer.
  1. [math]4ab^0[/math]
  2. [math]4a[/math]
  3. [math](4)/(16ab^4)[/math]
  4. [math]4ab^4[/math]
Grade 9 Exponents CCSS: HSN-RN.A.2
Simplify [math](a)/(b^2) * (b^3)/(a).[/math]
  1. [math]a^2b^5[/math]
  2. [math]a^0b^1[/math]
  3. [math]b[/math]
  4. [math]b^3[/math]
Grade 9 Exponents
Simplify: [math](3^2)/(2^3).[/math]
  1. [math](6)/(6)[/math]
  2. [math]0[/math]
  3. [math](9)/(8)[/math]
  4. [math](6)/(5)[/math]
Grade 9 Exponents CCSS: HSN-RN.A.1
What is the reciprocal of [math]b^4?[/math]
  1. [math]1/b^4[/math]
  2. [math]b^(-4)[/math]
  3. [math]1/(b^(-4)[/math]
  4. [math]b^(1/4)[/math]
Grade 9 Exponents
Find x.

[math]3^x = 729[/math]
  1. x = 3
  2. x = 4
  3. x = 5
  4. x = 6
Grade 9 Exponents CCSS: HSF-LE.A.1c
The graph of exponential growth is described best by the following:
  1. The graph is a horizontal line.
  2. The graph is a vertical line.
  3. The graph drops from the left to the right.
  4. The graph raises from the left to the right.
Grade 9 Exponents
Simplify.
[math](9 x^4 y ^5)/(6 x^2y^10)[/math]
  1. [math](9 x^2 y^5)/(6)[/math]
  2. [math](3x^2y^5)/(2)[/math]
  3. [math](3 x^2)/(2y^5)[/math]
  4. [math](3x^2 )/(2y^-5)[/math]
Grade 9 Exponents CCSS: HSF-LE.A.1c
A graph of exponential decay is best described as follows:
  1. It is a horizontal line.
  2. It is a vertical line.
  3. It drops from the left to the right.
  4. It raises from the left to the right.
Grade 9 Exponents
Simplify.
[math](3m n^4)^3[/math]
  1. [math]9m^3 n^7[/math]
  2. [math]9m^4n^7[/math]
  3. [math]27m^4n^7[/math]
  4. [math]27m^3 n^12[/math]
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