andrewpark892 andrewpark892

02-09-2017
Mathematics

contestada

what polynomial should be added to 4x²+5x-8 in order to equal 0?
A. 4x+5x+8
b. -4x²-5x+8
c. -4x²-5x-8
d. -4x²
e. 4x²+5x-8

Respuesta :

texaschic101 texaschic101

02-09-2017

4x^2 + 5x - 8 + (- 4x^2 - 5x + 8) = 0

all ur doing is changing the signs so they will cancel each other out.

so ur adding : -4x^2 - 5x + 8

Answer Link

Otras preguntas

Simplify this expression –6w + (–8.3) + 1.5 + (–7w).

7 in 3/4+ 7 in 3/4=?

select all expressions that are equivalent to 4- (x 2) - 2x 4

Carbohydrates are made from

How does light function as a symbol in this section? How has that symbol changed, even if slightly (frankenstein ch. 11-13)

A catapult is used to project a stone of mass 50g. If the rubber has an elastic constant 200Newton per meter and was stretch 5cm. What speed can it give to the

Which of these sentences would be MOST important to include in a summary of the article? A Groundhog Day festivities in Punxsutawney, Pennsylvania, are run by a

Which of the following statements is false regarding the subsequent pregnancy after a perinatal loss?a) Women who experience perinatal loss may have increased a

If we hear wheezing, What is it usually related to ________.

Each of the options below describes a relationship that you need to graph on a coordinate plane. Which of the options will have a slope of 12? Select all that a