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Ninth Grade (Grade 9) Exponents Questions

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Grade 9 Exponents
Which of the following expressions is equivalent to: (4x-2)(3x-7) ?
  1. 12x9
  2. 12x9
  3. 112x9
  4. x912
Grade 9 Exponents
Which of the following expressions is equivalent to: (3xy3)2 ?
  1. 9xy6
  2. 3xy6
  3. 9x2y6
  4. 3x2y6
Grade 9 Exponents
a-n=1an
  1. True
  2. False
Grade 9 Exponents
Simplify: [-2xy5]2⋅10x4
  1. -4x6y2
  2. 8x6y25
  3. -4x5y
  4. 2y2125x2
  5. -200x9y
Grade 9 Exponents
Solve for x.
x43=81
  1. 9
  2. 10
  3. 18
  4. 27
Grade 9 Exponents
Simplify.

[-5xy2]3[-4xy]2
  1. -1000x5y5
  2. -250x5y5
  3. -50x5y5
  4. 120x5y5
  5. 250x5y5
Grade 9 Exponents
Simplify: -(-2xy)25⋅10x4
  1. -8x6y2
  2. 8x6y25
  3. -4x5y
  4. 2y2125x2
  5. -200x9y
Grade 9 Exponents
Solve for x.
x43=81
  1. 9
  2. 10
  3. 18
  4. 27
Grade 9 Exponents
Simplify: 3n⋅32+n
  1. 3n(2-n)
  2. 32+2n
  3. 3
  4. 6
  5. 9
Grade 9 Exponents
Anything to the first power is equal to the base.
  1. True for positive numbers only
  2. Sometimes true
  3. Never true
  4. Always true for ALL numbers
Grade 9 Exponents
5(-2x2)3=-40x6
  1. True
  2. False
Grade 9 Exponents
xa⋅ya=(xy)a
  1. True
  2. False
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