what are the solutions to 2x2 + 7x = 4? select all that apply.
1/2
4
-1/2
-4
7
-7

x=-4 and x=1/2

Step-by-step explanation:

The formula to solve a quadratic equation of the form

is equal to

in this problem we have

equate to zero

so

substitute in the formula

therefore

The solutions are

x=-4 and x=1/2

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.

51-50

step-by-step explanation: