4.1.2 Adding and Subtracting Radicals
3 years ago
mrcoachcollins
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13 QuestionsShow answers
  • Question 1
    300 seconds
    Q. 2√5 + 4√5 =
    answer choices
    6√10
    8√10
    8√5
    6√5
  • Question 2
    300 seconds
    Q. √5 + √20
    answer choices
    5
    25
    3√5
    2√3
  • Question 3
    300 seconds
    Q. √98 + 5√2
    answer choices
    8√3
    12√2
    7√2
    7√3
  • Question 4
    300 seconds
    Q. √18 - √12
    answer choices
    √6
    2√3
    √2
    √5
  • Question 5
    300 seconds
    Q. √300 + √75
    answer choices
    15√3
    √375
    20√5
    16√5
  • Question 6
    300 seconds
    Q. Simplify
    3√2 - 3√18
    answer choices
     -4√8
    4√9-6√3
    5√12
    -6√2
  • Question 7
    300 seconds
    Q. Simplify 
    -2√2-3√8-√5
    answer choices
     -8√2-√5
    -8√2-√9
    -14√3-√7
    -2√4-√3
  • Question 8
    300 seconds
    Q. Simplify
     
    2√27+3√3
    answer choices
    15√30
    5√3
    9√3
    9√8
  • Question 9
    30 seconds
    Q. The number under the radical sign or square root sign  is called the ______.
    answer choices
    radical sign
    radicand
    factor
    exponent
  • Question 10
    300 seconds
    Q. The square root of 36x is __________
    answer choices
    6
    6x
    4x
    6x2
  • Question 11
    300 seconds
    Q. The square root of 25xis ?
    answer choices
    25x
    5x2
    5x3
    x3
  • Question 12
    300 seconds
    Q. The square root of 64x8yis ?
    answer choices
    32x4y3
    8xy
    8x4y3
    16
  • Question 13
    30 seconds
    Q. True or False: The following list contains only perfect squares.
    1, 4, 9, 27, 81, 100
    answer choices
    True
    False
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