Light bulbs usually cost $2. they are 0.50 of the regular price. what is the sale price? is this a better price than if the sale were 0.35 of the regular price?

Step-by-step explanation:

we have

Equate the quadratic equation to zero

Group terms that contain the same variable, and move the constant to the opposite side of the equation

Factor the leading coefficient

Complete the square. Remember to balance the equation by adding the same constants to each side

Rewrite as perfect squares

square root both sides

therefore