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Ninth Grade (Grade 9) Exponents Questions

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Grade 9 Exponents
Express with positive exponents.
1a-1b-1
  1. 1ab
  2. a-1b-1
  3. -ab
  4. -1ab
  5. ab
Grade 9 Exponents
In the expression x7, the 7 is called the                .
  1. factor
  2. exponent
  3. term
  4. base
  5. product
Grade 9 Exponents
Simplify.
-3xy4⋅2x2y5
  1. -6x3y9
  2. -6x2y9
  3. -1x2y20
  4. -1x3y9
Grade 9 Exponents
Simplify. (2q4)3
  1. 8q12
  2. -8q12
  3. 8q7
  4. Cannot simplify
Grade 9 Exponents
Simplify. (x5)6
  1. x-1
  2. x11
  3. x15
  4. x30
Grade 9 Exponents
Multiply.
a3⋅a-2
  1. -a
  2. a-6
  3. a5
  4. a
Grade 9 Exponents
Simplify. (2v3)4
  1. 16v481
  2. 1681v4
  3. 16v581
  4. 2v43
Grade 9 Exponents
Evaluate the expression: (23)-3
  1. 827
  2. 49
  3. 94
  4. 278
Grade 9 Exponents
Multiply: 3x4⋅8xy3
  1. 38x4y3
  2. 24x5y3
  3. 24xy3
  4. 4y3
Grade 9 Exponents
Simplify the expression.
(3x2)4
  1. 81x4/16
  2. 6x4
  3. 12x4/8
  4. 81x4/2
Grade 9 Exponents CCSS: HSN-RN.A.1
Which of the following is a correct way to exactly rewrite the expression 257? Choose all that apply.
  1. 1.6
  2. 7√25
  3. (7√2)5
  4. 275
Grade 9 Exponents
What is the reciprocal of b4?
  1. 1b4
  2. b-4
  3. 1b-4
  4. b14
Grade 9 Exponents
Simplify:

y6z12(yz)3
  1. y6z12
  2. y3z9
  3. Cannot simplify
  4. y6z4
Grade 9 Exponents
Solve for x. 2x+2=24x-4
  1. -23
  2. 3
  3. 2
  4. -1
Grade 9 Exponents
Simplify:
(x3y5)3
  1. x6y8
  2. x9y15
  3. 1x3y5
  4. xy
Grade 9 Exponents
The graph of exponential growth is described best by which of 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 (-3xy2)4 and write your answer as a power.
  1. 81x4y8
  2. 12x4y8
  3. 81x5y6
  4. -81x4y8
  5. -12x5y8
Grade 9 Exponents CCSS: HSN-RN.A.1
Starting with the variable x, raise x to the power of 4. Which of the following represents an inverse operation? Choose all correct answers.
  1. Dividing the expression by 4.
  2. Taking the base-4 logarithm of the expression.
  3. Taking the 4th root.
  4. Raising the entire expression to the power of 1/4.
Grade 9 Exponents
Simplify (ab)6.
  1. 6ab
  2. 6a6b
  3. ab6
  4. a6b6
  5. a6b6
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