+0  
 
0
90
3
avatar+200 

Please help explain what a polynomial is and what a coefficient of a polynomial is.

Also please don't just post a wikipedia article, Thanks!

ColdplayMX  Aug 21, 2018
 #1
avatar+803 
+2

Coefficients are the numbers infront of a varible. A polynominal can only use addition, subtraction, multiplication (doesn't have to use all of them). The exponents of a polynominal cannot be negative. Normally they are in the form \(ax^2 + bx +c\) but doesn't have to be.

 

Examples: x^2 + 2x +5,

5x +1

(x^7 + 2x^4 - 5) * 3x

Lightning  Aug 21, 2018
 #2
avatar+91019 
+2

A polynomial is an expression in one  (ore more) variables

The  exponent on each variable must be a whole number  [ 0, 1, 2, 3....]

The polynomial must have a finite number of terms

 

Examples

 

6x^2  +  2x  +  8

(4/5)x^3y^5 + 2y^2  + 3x  -  9/13

 

The  red entries  are coefficients  [ real numbers associated with each variable term]

 

The blue  entries  are constants

 

cool cool cool

CPhill  Aug 21, 2018
 #3
avatar+200 
0

Thanks everybody!!!

ColdplayMX  Aug 22, 2018

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