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Ninth Grade (Grade 9) Radicals Questions

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Grade 9 Radicals
Solve: [math]5sqrtx=45[/math]
  1. x = 3
  2. x = 9
  3. x = 81
  4. no solution
Grade 9 Radicals
Simplify. [math]sqrt800[/math]
  1. [math]2sqrt200[/math]
  2. [math]4sqrt50[/math][math]20sqrt2[/math]
  3. [math]20sqrt2[/math]
Grade 9 Radicals
Simplify. [math] sqrt(50x^2) [/math]
  1. [math]xsqrt(50x)[/math]
  2. [math]5xsqrt(2)[/math]
  3. [math]25x^2sqrt(2x^2)[/math]
  4. [math]5sqrt(2x^2)[/math]
Grade 9 Radicals CCSS: HSN-RN.B.3
Subtract. [math] 5sqrt(12b)-3sqrt(3b) [/math]
  1. Cannot combine
  2. [math]sqrt(51b)[/math]
  3. [math]6sqrtb[/math]
  4. [math]7sqrt(3b)[/math]
Grade 9 Radicals
Simplify [math]2sqrt(72)[/math]
  1. [math]12sqrt(3)[/math]
  2. [math]6sqrt(2)[/math]
  3. [math]12sqrt(2)[/math]
  4. [math]6sqrt(3)[/math]
Grade 9 Radicals
Add.
[math]10sqrt(2n)+5sqrt(2n)[/math]
  1. [math]sqrt(30n)[/math]
  2. [math]30sqrtn[/math]
  3. [math]15sqrt(2n)[/math]
  4. [math]30n[/math]
Grade 9 Radicals
Grade 9 Radicals
Simplify the quotient.
[math]sqrt7/sqrt27[/math]
  1. [math]sqrt5/10[/math]
  2. [math]sqrt21/9[/math]
  3. [math]sqrt7/3[/math]
  4. [math]sqrt189/27[/math]
Grade 9 Radicals
Grade 9 Radicals
Simplify.
[math]sqrt28[/math]
  1. [math]4sqrt7[/math]
  2. [math]4sqrt2[/math]
  3. [math]2sqrt7[/math]
  4. [math]7sqrt2[/math]
  5. [math]3sqrt4[/math]
Grade 9 Radicals
Express without a radical and with positive fractional exponents.

[math]5sqrt(x^-1y^-1[/math]
  1. [math]5x^(1/2)y^(1/2)[/math]
  2. [math](xy)/5[/math]
  3. [math]5*(x^(1/2)y^(1/2))[/math]
  4. [math]5/{x^(1/2)y^(1/2)}[/math]
  5. none of the above
Grade 9 Radicals
Find the domain of [math] y=(2x+7)^(1/2) [/math]
  1. [math]x>=-7/2[/math]
  2. [math]x>=0[/math]
  3. [math]x>=-2/7[/math]
  4. [math]x>=2/7[/math]
Grade 9 Radicals
Grade 9 Radicals
Grade 9 Radicals
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