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

a drone traveling horizontally at 120m s over a flat ground at an elevation of 4500 meters must drop an emergency package on a target on the ground the trajecto

parts of speech of an

What is the slope in f(x)=6x+7

Consider a quadrilateral with vertices A(2,2) , B(2,5) , C(7,2), and D(7,5). What is the shape and area of quadrilateral ABCD

Which of the following statements is true?

which animals has a better chance of survival fox or leopard. why??

Can someone help me please

Why shouldn’t we speak in any language keeping quiet

Rewrite in Direct Speeh. Shayal asked Vani if she had seen her bag.

a man builds an ark and is saved from the flood common to both or NOT common to both