Radical Functions and Introduction to Proof — Test
Question 21 • CMS 2026-2027 NC Math 2 CREDIT RECOVERY
What is the following difference? 2 A b open paren cube root of 192 A b squared close paren minus 5 times open paren cube root of 81 A to the 4th power b to the 5th power close paren
Answer
A
8 A b open paren cube root of 3 A b squared close paren minus 15 A b squared open paren cube root of 3 A b close paren
B
16 A b squared open paren cube root of 3 A close paren minus 45 A squared b squared open paren cube root of 3 b close paren
C
negative 3 A b open paren cube root of 3 A b squared close paren
D
negative 7 A b open paren cube root of 3 A b squared close paren