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Eighth Grade (Grade 8) Math Questions

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Grade 8 Exponents CCSS: 8.EE.A.1
Grade 8 Exponents CCSS: 8.EE.A.1
[math](5^2)^3=[/math]
  1. [math]5^5[/math]
  2. [math]5^6[/math]
  3. [math]5^8[/math]
  4. 125
Grade 8 Exponents CCSS: 8.EE.A.1
Solve.
[math]4^16[/math] multiplied by [math]4^20[/math]
  1. [math]4^36[/math]
  2. [math]4^16[/math]
  3. [math]4^320[/math]
Grade 8 Exponents
Simplify the following expression (No negative exponents):
[math](3x^6y^3)^3[/math]
  1. [math]6x^9y^6[/math]
  2. [math]9x^9y^9[/math]
  3. [math]9x^18y^9[/math]
  4. [math]27x^18y^9[/math]
Grade 8 Rational and Irrational Numbers
Grade 8 Volume CCSS: 8.G.C.9
What is the volume of a cylinder with a radius of 6 cm and a height of 10 cm? Use pi = 3.14.
  1. 1130.4 [math]cm^3[/math]
  2. 1130 [math]cm^3[/math]
  3. 360.8 [math]cm^3[/math]
  4. 600 [math]cm^3[/math]
Grade 8 Exponents CCSS: 8.EE.A.1
[math]t^0@ t^2 @ t^1@ t^-7[/math]
  1. t[math]t^-4[/math]
  2. [math]t^-7[/math]
  3. [math]1/t^4[/math]
  4. -4
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Choose the number that is irrational.
  1. [math]21/99[/math]
  2. [math]sqrt101[/math]
  3. [math]sqrt(36/3[/math]
  4. [math]2/94[/math]
Grade 8 Polynomials and Rational 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 8 Quadratic Equations
Solve the equation [math]x^2-2x-35=0[/math]
  1. x=-7 and x=5
  2. x=-7 and x=-5
  3. x=7 and x=-5
  4. x=7 and x=5
Grade 8 Linear Equations CCSS: 8.EE.B.5
What is the y intercept of the equation [math]y=3x-2[/math]?
  1. [math]-3[/math]
  2. [math]3[/math]
  3. [math]2[/math]
  4. [math]-2[/math]
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Grade 8 Linear Equations CCSS: 8.EE.B.5
What is the slope of the equation [math]y=3/5x-5/3[/math]?
  1. [math]3[/math]
  2. [math]3/5[/math]
  3. [math]5/3[/math]
  4. [math]-3/5[/math]
Grade 8 Geometry and Measurement CCSS: 8.G.C.9
[math]pi[/math] is used when calculating which of the following?
  1. area of a circle
  2. volume of a sphere
  3. volume of a cylinder
  4. volume of a cone
  5. all of the above
Grade 8 Linear Equations CCSS: 8.EE.B.5
What is the y intercept of the equation [math]y=3/5x-5/3[/math]?
  1. [math]-5/3[/math]
  2. [math]3/5[/math]
  3. [math]5/3[/math]
  4. [math]-3/5[/math]
Grade 8 Functions CCSS: 8.F.A.2, 8.F.B.4
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