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Ninth Grade (Grade 9) Arithmetic and Number Concepts Questions

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Grade 9 Literal Equations CCSS: HSA-CED.A.4
Solve for b.
-r=sb
  1. -rs
  2. -rs
  3. -r+s
  4. s-(-r)
Grade 9 Literal Equations
Solve for C. P=R-CN
  1. C=PRN
  2. C=PR-N
  3. C=PN-R
  4. C=R-PN
Grade 9 Systems of Equations
Solve by substitution.

y = -6
y = -2x - 2
  1. (1, 4)
  2. (-2, 6)
  3. (2, -6)
  4. (4, 1)
Grade 9 Primes, Factors, and Multiples
Find the GCF.

25x2,30xy
  1. 10
  2. 25x
  3. 5x
  4. 15y
Grade 9 Literal Equations CCSS: HSA-CED.A.4
Solve for x.
ax-wx=z
  1. 2x
  2. za-w
  3. zax-w
  4. z(a-w)
Grade 9 Systems of Equations CCSS: HSA-REI.C.6
Solve for x and y.
3x - 4y = 26
x - 8y = 22
  1. x=6, y= -2
  2. x=4, y=3
  3. x=1, y=6
  4. x= -3, y=4
Grade 9 Systems of Equations
2x + 3y = 1
3x + 2y = 1
  1. one solution
  2. no solution
  3. infinite # of solutions
Grade 9 Number Types
Classify the number -4.
  1. Whole, integer, rational, real
  2. Integer, irrational, real
  3. Whole, rational, real
  4. Integer, rational, real
Grade 9 Number Types
5
  1. Counting number
  2. Whole number
  3. Integer
  4. Rational
  5. Irrational
  6. Real
Grade 9 Number Types
Grade 9 Number Types
Classify the number -7.23.
  1. Integer, rational, real
  2. Integer, irrational, real
  3. Rational, real
  4. Irrational, real
Grade 9 Literal Equations CCSS: HSA-CED.A.4
Solve the formula PVT=k for V.
  1. PkT=V
  2. PTk=V
  3. kPT=V
  4. kTP=V
  5. k-TP=V
Grade 9 Number Types
Classify the number -1.
  1. Natural, whole, integer, rational, real
  2. Whole, integer, rational, real
  3. Integer, rational, real
  4. Rational, real
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