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

The weight of an object is 200 N. The object sinks in tub of water. The buoyant force is a)less than 200 N b)greater than 200 N c)equal to 200 N

Which vascular tissue is involved in the transport of starch found in fruit pulp?

Which of the following statements is correct with respect to the photosynthetic pathway of grass or a cactus? In a cactus, carbon is fixed only during the day.

which nucleic acid moves the code for protein synthesis from the nucleus to the ribosomes

The number of stops a bus makes on a certain day is represented by the variable s. Which set of numbers best describes the value of the variable?

What term is used to describe an animal that eats only plants? a. omnivore b. herbivore c. carnivore d. statisvore

Throughout act i of the tragedy of macbeth, macbeth s plans and actions seem to be motivated most of all by

a university would like to create a circular eating area with picnic tables. the eating area will have small plants that make a path to create individual sectio

you uses 500 mg of sucrose and placed it into 200ml of water what is the concentration of this solution?

How to turn percents into decimals?