Which of the following are square roots of the number below? Check all that apply.
196
A. -14
B. 196^1/2
C. 14
D. 98
E. 7
F. -196^1/2

B. 196^1/2

C. 14

Step-by-step explanation:

Square root of 196=14

196^1/2=14

answer: 7270

step-by-step explanation:

hello from mrbilldoesmath!

answer:

25x^2 + 90x + 84

discussion:

mn(x) = m(n(x)) = m( 5x + 9) =

(5x + 9)^2 + 3 =>

25x^2 + 90x + 9^2 + 3 =

25x^2 + 90x + 84                 (as 9^2 = 9*9 = 81)

which is the second choice

regards,  

mrb

p.s.   i'll be on vacation from friday, dec 22 to jan 2, 2019. have a great new year!