Radicals Review

Which answer contains only perfect squares?

• 2, 4, 6, 8, 10

• 4, 9, 16, 25, 36

• 8, 27, 64, 125, 216

• 4, 16, 20, 24, 28

The expressions 7 - √5 and 7 + √5 are what?

• conjugates
• expressions
• radical equations
• inverse functions

The number under the radical sign or square root sign  is called the ______.

• radical sign
• radicand
• factor
• exponent

When you are simplifying a radical, you should do this first:

• plug it in the calculator

• Birthday Cake

  or

  Factor Tree

• do the paranthesis

  first

• pick a letter of the day

• y²z¹⁰√xy
• 20yz√xy
• xy²z¹⁰√y
• yz⁶√xy²z²

When adding/subtracting radicals, what should you do first?

• square it

• simplify it

• plug it in the calculator

• multiply it

• -5√1
• 8√2 + 13√3
• 21√5
• 20√5

When multipying radicals, what are the steps?

• 1 - multiply the coefficients

  2 - multiply the radicands

  3 - simplify

• 1 - plug it in the calculator

  2 - simplify

• 1 - simplify

  2 - multiply the coefficients

  3 - multiply the radicands

• 1 - pray

  2 - guess