Roots and Exponent Memory Mastery

Question 1

13^2

Answer 1

169

Question 2

14^2

Answer 2

196

Question 3

15^2

Answer 3

225

Question 4

25^2

Answer 4

625

Question 5

2^(1/2)

Answer 5

1.4

Question 6

3^(1/2)

Answer 6

1.7

Question 7

5^(1/2)

Answer 7

2.25

Question 8

When X or Dividing by roots, you can break out or combine. What is the Trick GMAT likes to use?

Answer 8

Adding or Subtracting to make it look easy to combine.

19^(1/2) + 6^(1/2). Does not equal 25^(1/2)