Square Roots and Irrational Numbers - Page 20

Questions
  • What is the conjugate of minus the square root of minus #5# ?
  • How do you solve #sqrt(x+x+x+....) = 5# ?
  • Can you factor #27a^2-y^4# ?
  • How do you evaluate #\sqrt { 289} - \sqrt { 100}#?
  • How do you evaluate #(8x - 2) ^ { 2} + 8= - 1#?
  • What is the square root of #-12# ?
  • Is #0.25# a perfect square?
  • How do you evaluate #\sqrt ( ( - 1- 2) ^ ( 2) + ( 2- ( - 4) ^ ( 2) ) )#?
  • Is #(sqrt(-1))x = 0 # a Polynomial?