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ALGEBRA 2 Spring Final Review POWERS, ROOTS, RADICALS Write each expression in radical form. 18 ) ( 4x ) 3 19) m1 4 A) (V4x) B) ( Vx) 2 A) V2m B) (Vm) C) V10x D) (~5x) 2 C) V2m D) (V10m) Write each expression in exponential form. 20) (Vn)" 21) V7x 4 A) 3 B) (10n) 4 A ) (7x) 2 B) (4x 2) 3 C ) ( 5n ) 3 D) n C) x * D) (6x) 2 Simplify. Your answer should contain only positive exponents. 22) 3m n2- 3nm-3 23) 3a b2 - 4ab -3 2m? A) 8m 3 B 6a4 72 2 A a272 B) b 4m C D C) 12 b D) 296 24) (x - 3) 4 2xy 25) B) x6v12 2x V A) 1 A) B) C) 16, ,12 D) 1 2 4x C) D) 2y V 3x Simplify. 26) V256n2 27) V662 . V1562 A) 2V8n2 B) 2n V5n A) 362 10 B) V21 c) 213n D) 2V3n2 C) 90 D) 3V/10 Solve each equation. Remember to check for extraneous solutions. 28) V2x + 17-5=-4 29 ) ( n + 7) 2 +9 =-72 A) 8, -6 B) 3 C) 8 D) - 8 A) {iv23} B) {2, -16} C) {-7+9i, -7-91} D) 19,-9}