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Ninth Grade (Grade 9) Algebraic Expressions Questions

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Grade 9 Algebraic Expressions
Find the missing factor.
20x3y7=5xy2                     
  1. 15x2y5
  2. 4x2y5
  3. 15x3y5
  4. 4x3y5
Grade 9 Algebraic Expressions
Evaluate the expression (a+b)2÷(2a)-b2 if a=6 and b=4.
  1. -233
  2. -13
  3. -25
  4. 2516
  5. 25
Grade 9 Algebraic Expressions
Simplify:
(2p-5)(p2+6p-8)
  1. 2p3-7p2-46p+40
  2. 2p3+7p2-46p+40
  3. 2p3+7p2+46p+40
  4. 2p3+7p2-46p-40
Grade 9 Algebraic Expressions
Which of the following is not a way to say 2x + 2?
  1. twice a number plus two
  2. two times the sum of a number and two
  3. two times a number, added to two
  4. the sum of twice a number and two
Grade 9 Algebraic Expressions
17a3b4-12ab3-6a3b4+15ab3
  1. 11a3b4+3ab3
  2. 5a3b4+3ab3
  3. 23a3b4+27ab3
  4. 23a3b4+3ab3
Grade 9 Algebraic Expressions CCSS: HSN-RN.A.2
Simplify.

x√5+x√5
  1. x√10
  2. 2x√5
  3. x2√5
  4. 2x√10
Grade 9 Algebraic Expressions
If a=8, what is the value of 2a2?
  1. 64
  2. 128
  3. 256
  4. 512
Grade 9 Algebraic Expressions
What is the simplest form of (x+3)(x+5)?
  1. x2+8x+15
  2. x2+15
  3. 2x+8
  4. 2x+15
Grade 9 Algebraic Expressions
Simplify:
915a-15
  1. 35
  2. 35a-15
  3. 915(a-1)
  4. 35(a-1)
Grade 9 Algebraic Expressions
Simplify:
2x2-4xy+8x2+16xy-8
  1. 8x2-12xy+8
  2. 11xy-8
  3. 10x2+12xy-8
  4. 4x2+20xy+8
Grade 9 Algebraic Expressions
7 more than the product of 6 and a number
  1. 7n + 6n
  2. 6n + 7
  3. 7 + n + 6
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