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Ninth Grade (Grade 9) Math Questions

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Grade 9 :: Exponents by SheilaH
Simplify the expression b^4 * b^2.
  1. b^16
  2. b^6
  3. b^2
  4. b^8
Grade 9 :: Polynomials and Rational Expressions by jlasbell
What is (12a^3 - 20a^2)/(16a^2 +8a) reduced to lowest terms?
  1. a/2
  2. (3a - 5)/(2a + 1)
  3. -(2a)/(4+2a)
  4. (a(3a - 5))/(2(2a +1))
Grade 9 :: Fractions and Ratios by jlasbell
What fraction is equal to ((3x)/5)/(x/4 +x/2)
  1. x^2/5
  2. (9x^2)/20
  3. 4/5
  4. 9/5
Grade 9 :: Quadratic Equations by jlasbell
What are the solutions for the quadratic equation x^2 + 6x = 16?
  1. -2, -8
  2. -2, 8
  3. 2, -8
  4. 2, 8
Grade 9 :: Quadratic Equations by jlasbell
Subtract: (4x^2 - 2x + 8) - ( x^2 + 3x - 2)
  1. 3x^2 + x + 6
  2. 3x^2 + x + 10
  3. 3x^2 - 5x + 6
  4. 3x^2 - 5x + 10
Grade 9 :: Polynomials and Rational Expressions by sharonwatson1101
A perfect square trinomial is the square of a binomial. (a+b)^2 = (a+b)(a+b) = a^2 + 2ab +b^2 or (a-b)^2 = (a-b)(a-b) = a^2 -2ab +b^2.
  1. True
  2. False
Grade 9 :: Linear Equations by jlasbell
The equation of line L is 6x + 5y = 3, and the equation of line Q is 5x - 6y = 0. Which statement about the two lines is true?
  1. Lines L and Q have the same y-intercept.
  2. Lines L and Q are parallel.
  3. Lines L and Q have the same x-intercept.
  4. Lines L and Q are perpendicular.
Grade 9 :: Linear Equations by jlasbell
What is the equation of the line that has a slope of 4 and passes through the point (3, -10)?
  1. y = 4x - 22
  2. y = 4x + 22
  3. y = 4x - 43
  4. y = 4x + 43
Grade 9 :: Polynomials and Rational Expressions by jlasbell
Divide: (x^2 + 8x + 16)/(x + 3) -: (2x + 8)/(x^2 - 9)
  1. {2(x + 4)^2}/((x - 3)(x + 3)^2)
  2. {2(x + 3)(x - 3)}/(x + 4)
  3. ((x + 4) (x - 3))/2
  4. {(x + 4)(x - 3)^2}/(2(x +3)
Grade 9 :: Polynomials and Rational Expressions by jlasbell
Simplify (6x^2 + 21x + 9)/(4x^2 - 1) to lowest terms.
  1. {3(x + 1)}/ (2x - 1)
  2. {3(x + 3)}/(2x - 1)
  3. {3(2x+3)}/{4(x - 1)}
  4. {3(x + 3)}/(2x + 1)
Grade 9 :: Quadratic Equations by MaryCouts
Subtract (7a^2 - 3a) - (5a^2 - 5a)
  1. 2a^2 - 8a
  2. 2a^2 + 2a
  3. 4
  4. 12a^2 - 8a
Grade 9 :: Linear Equations by jlasbell
Which point lies on the line defined by 3x + 6y = 2?
  1. (0, 2)
  2. (0, 6)
  3. (1, -1/6)
  4. (1, -1/3)
Grade 9 :: Quadratic Equations by jlasbell
Which is a factor of x^2 - 11x +24?
  1. x + 3
  2. x - 3
  3. x + 4
  4. x - 4
Grade 9 :: Arithmetic and Number Concepts by jlasbell
Which is the factored form of 3a^2 - 24ab +48b^2
  1. (3a - 8b)(a - 6b)
  2. (3a - 16b)(a - 3b)
  3. 3(a - 4b)(a - 4b)
  4. 3(a - 8b)(a - 8b)
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