andrewpark892
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 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

Which is made from the remains of dead marine organisms over millions of years? A. coal and oil B. oil and uranium C. coal and natural gas D. oil and natural ga
Based on diction, which of the following phrases would most likely complete this sentence: Kyle stomped into Taco Bell and __________. A. sweetly requested the
what is 1/3 + 7/12 x 4
Explain why the reflection of light off ground glass changes from diffuse to specular if you spill water on it
With which of these positions would President Calvin Coolidge have agreed?
Which type of macromolecule is made of amino acids
PLEASE HELP DESPERATE Renaissance painters were influenced by a shading technique known as chiaroscuro, first introduced by which of the following? A Byzantine
True or False? The line "Fainting I follow, I leave off therefore" contains both a caesura and alliteration.
Select the best general question to formulate from the chapter question. How do you measure and compare acidity levels? How do you measure the acidity levels of
for f(x)=x+3 and g(x)=4x+5 find the following functions(simplify answers) (f*g)(x)= (g*f)(x)= (f*g)(-1)=