Question

Given the two expressions shown below: A. square root of 64 plus square root of 5 B. square root of 64 plus square root of 4 Which statement best describes the two expressions? (5 points) Select one: a. Both are rational. b. Both are irrational. c. A is rational, but B is irrational. d. A is irrational, but B is rational.

Answer 1

$A.\ \sqrt{64}+\sqrt5=8+\sqrt5\ -\ irrational\\\\B.\ \sqrt{64}+\sqrt4=8+2=10\ -\ rational\\\\\text{Answer:}\ d.\ A\ is\ irrational,\ but\ B\ is\ rational.$