Which choice is equivalent to the expression below?
square root of -18

Step-by-step

sqrt(-18)

= sqrt((-1)*(9)*(2)

= sqrt((-1))*sqrt(9)*sqrt(2)

= i*3*sqrt(2)

=3i*sqrt(2)

C

Step-by-step explanation:

Using the rule of radicals

× ⇔

and = i

Given

=

= × ×

= 3 × × i

= 3i → C

a.

step-by-step explanation:

step 1 distribute 2 to every term in the parentheses

step 2 add 10 on both sides of the equal sign

$30.32

step-by-step explanation:

65.00*.12=2.80

65.00-2.80=57.20

57.20*1.06=60.632

60.632/2=30.316