University:
High School
Course:
High School Mathematics
Academic year:

2022
Views:

269

Pages:

2
Author:

Bailee C

Name Date 5.2 Practice A Simplify the expression. 1. (72/4)3/4 10/4 104 7. √35 15 3.5 10. √9.√9 3.3 13. √208 52 26 2 13 2√13 or 2(13)¼ Problem 16: (8/(√2+√5)) * (√2-√5)/(√2-√5) = (8(√2-√5))/(2-5) = (8√2-8√5)/(-3) = (-8√2+8√5)/3 Problem 17: (4-√5) * (4+√5) = 16-5 = 11 Problem 18: (1/(1+√3)) + (2-√3)/(2-√3) = (2-√3)/(4-3) = (2-√3)/1 = 2-√3 Problem 19: 8+5 = 13 Problem 20: 2√[3]{15}-17√[3]{13} = -10√[3]{13} Problem 21: 4(g^(1/i))+7(g^(1/i)) = 11g^(1/i) Problem 22: 4√18-15√2 = 12√2-15√2 = -3√2 Problem 23: 8√7+12√63 = 8√7+36√7 = 44√7 Problem 24: √[4]{405}+2√[4]{5} = 3√[4]{5}+2√[4]{5} = 5√[4]{5} Problem 25: V = 80 cm³ a. V = s³ √[3]{V} = √[3]{s³} s = √[3]{V} b. S = 6s² S = 6(√[3]{V})² c. S = 6(√[3]{80})² S = 6(2√[3]{10})² S = 24√[3]{100} S = 24*10√[3]{1} S = 240