If x + 2 is a factor of x^3 - 2ax^2 +16, then value of a is i) 3 ii) 1 iii) 4

ii) 1

Step-by-step explanation:

Let p(x) =

Given that x+2 = 0

Then => x = -2

Putting this in p(x)

p(-2) =

By remainder theorem , Remainder will be zero

0 = -8-8a+16

0 = -8a+8

-8a = -8

Dividing both sides by -8

=> a = 1

wholesale price is the initial price before markup. retail price comes after the markup.

a price of 8 bucks that's marked up by 100%   is

formula: initial price + (percent markup in fraction/decimal)(initial price)

8+(1)(8)

8+8

16

retail price is $16.