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Ninth Grade (Grade 9) Algebraic Expressions Questions

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Grade 9 Algebraic Expressions
Simplify.
[math]2x + 3x^2 - 5x +4 - 7x^2[/math]
  1. [math]7x^2 +4[/math]
  2. [math]7x +10x^2 +4[/math]
  3. [math]-4x^2 -3x +4[/math]
  4. [math]-3x^6[/math]
Grade 9 Algebraic Expressions
Which of the expressions below is equivalent to [math]b(5a^2+2)+b(2a^2+5)[/math]?
  1. [math]7a^2b+7b[/math]
  2. [math]7a^2b+2b+5[/math]
  3. [math]10a^2b+10b[/math]
  4. [math](10a^2+10)b[/math]
Grade 9 Algebraic Expressions
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 Algebraic Expressions
Simplify the following expression.
[math]3y^2 - 6y + 2 + 3y^2 + 8y[/math]
  1. [math]8y^2 +2[/math]
  2. [math]6y^2 +2 +14y[/math]
  3. [math]6y^2 + 2 - 14[/math]
  4. [math]6y^2 +2y + 2[/math]
Grade 9 Algebraic Expressions
Simplify the following expression.
[math]-5x - 2( 2x -4) - 5[/math]
  1. [math]-9x + 3[/math]
  2. [math]1x +3[/math]
  3. [math]-9x - 13[/math]
  4. [math]1x -13[/math]
Grade 9 Algebraic Expressions
Simplify the expression. [math]8+5m+8p+3m+p-2[/math]
  1. [math]8m+9p[/math]
  2. [math]8m+9p+6[/math]
  3. [math]9m+8p-2[/math]
  4. [math]9m+8p+10[/math]
Grade 9 Algebraic Expressions
The best definition for like terms is
  1. the number you multiply a variable by.
  2. a letter that represents a number.
  3. terms having the same variables and exponent.
  4. a polynomial.
Grade 9 Algebraic Expressions
[math]3m^2 - 8 m + 2[/math] is an example of
  1. like terms.
  2. a coefficient.
  3. a term.
  4. an expression.
Grade 9 Algebraic Expressions
Grade 9 Algebraic Expressions
Evaluate the expression.

[math](6)/(y+3)[/math] when [math]y[/math] is [math]9[/math]
  1. [math]1/2[/math]
  2. [math]2[/math]
  3. [math]4/11[/math]
  4. [math]3[/math]
Grade 9 Algebraic Expressions
Combine like terms.
[math]4x^2 + 5z + 18x^2[/math]
  1. [math]14x^2 + 5z[/math]
  2. [math]22x^2 + 5z[/math]
  3. [math]22x^2 - 5z[/math]
  4. [math]-18x^2 - 5z[/math]
Grade 9 Algebraic Expressions
Grade 9 Algebraic Expressions
Select all the algebraic EXPRESSIONS.
  1. [math]3x = 9[/math]
  2. [math]4b[/math]
  3. [math]5x - 8[/math]
  4. [math]3x + 5 = 10[/math]
Grade 9 Algebraic Expressions
When [math]2m(4m-3n)[/math] is expanded, it looks like which of the following?
  1. [math]6m + m - 6mn[/math]
  2. [math]8 + m^2 + 6 + mn[/math]
  3. [math]2m xx 4m - 3n[/math]
  4. [math]8m^2 - 6mn[/math]
Grade 9 Algebraic Expressions
What are the coefficients of the given mathematical expression?
[math] 7p^3r - 5t^3s -21p^2r - 10s^3t^3 [/math]
  1. [math] 3,1; 3,1; 2,1; 3,3 [/math]
  2. [math] 7, -5,- 21, -10 [/math]
  3. [math] 3, 3, 2, 3, 3 [/math]
  4. [math] -29p^5r^2s^4t^6 [/math]
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