DECK 1: POLYNOMIAL INTRO Flashcards
What are other names for “solutions” of a polynomial function?
zeros, roots, x-intercepts
What are other names for “zeros” of a polynomial function?
roots, x-intercepts, solutions
What are other names for “roots” of a polynomial function?
zeros, x-intercepts, solutions
What are other names for “x-intercepts” of a polynomial function?
zeros, roots, solutions
What is the “degree of a polynomial?”
The degree is just the highest exponent
What is the “leading term of a polynomial?”
The leading term is the term that has the highest exponent. If in standard form, it is the first term.
What is a coefficient?
The number in front of a variable or variables. It tells you how many you have.
What is a variable?
It is a letter or symbol that is “standing in” for a number. It is like a “?”
What is an exponent?
It is the number up top. It tells you how many times you multiply the base by itself.
8x 2 what is the coefficient?
8
8x 2 what is the variable?
x
8x 2 what is the exponent?
2
What is name for third-degree polynomial?
CUBIC
What is name for fourth-degree polynomial?
QUARTIC
What is the name of a second-degree polynomial?
QUADRATIC
What is the name of a zero-degree polynomial?
CONSTANT
What is the name of a first-degree polynomial?
LINEAR
What is name for fifth-degreee polynomial?
QUINTIC
8x 2 what is the “8” called?
the coefficient
8x 2 what is the “x” called?
the variable (it is also the base of the exponent)
8x 2 what is the “2” called?
the exponent
What form is this quadratic?
f(x)=ax 2 +bx+c
STANDARD
What form is this quadratic?
f(x)=-5x 2 +8x-12
STANDARD
What form is this quadratic?
f(x)=a(x-h) 2+k
VERTEX
What form is this quadratic?
f(x)=-3(x+22) 2+15
VERTEX
What form is this quadratic?
f(x)=a(x-Z)(x-Z)
INTERCEPT or FACTORED
What form is this quadratic?
f(x)= -(x-9)(x+11)
INTERCEPT or FACTORED
What is the standard form of a quadratic?
f(x)=ax 2 +bx+c
What is the vertex form of a quadratic?
f(x)=a(x-h) 2 +k
What is the FACTORED or INTERCEPT form of a quadratic?
f(x)= a(x-Z)(x-Z)
f(x) = 2x 5 +5x 4 -8x 3 +6x 2 -5x + 3
What type of polynomial?
QUINTIC
f(x) =5x 4 -8x 3 +6x 2 -5x + 3
What type of polynomial?
QUARTIC
f(x) =-8x 3 +6x 2 -5x + 3
What type of polynomial?
CUBIC
f(x) = 5x 4 +6x 2 -+ 3 What is type of polynomial?
QUARTIC
f(x) = -12x 2 + 3
What type of polynomial?
QUADRATIC
f(x)= -x+8
What type of polynomial?
LINEAR
f(x)= 7
What type of polynomial?
CONSTANT
It is a horizontal line with a constant height of 7
f(x) = -8x 3 + 3 What is type of polynomial?
CUBIC
f(x) = 2x 5 +5x 4 -8x 3 +6x 2 -5x + 3 What is the quartic term?
5x 4
f(x) = 2x 5 +5x 4 -8x 3 +6x 2 -5x + 3 What is cubic term?
-8x 3
f(x) = 2x 5 +5x 4 -8x 3 +6x 2 -5x + 3 What is coefficient of cubic term?
-8
f(x) = 2x 5 +5x 4 -8x 3 +6x 2 -5x + 3 What is the exponent on the cubic term?
3
f(x) = 2x 5 +5x 4 -8x 3 +6x 2 -5x + 3 What is the quintic term?
2x 5
f(x) = 2x 5 +5x 4 -8x 3 +6x 2 -5x + 3 What is the coefficient of the cubic term?
-8
f(x) = ax 2 + bx + c What is “ax 2 ” called?
the quadratic term, or the leading term
f(x) = ax 2 + bx + c What is “bx” called?
the linear term
f(x) = ax 2 + bx + c What is “c” called?
the constant term
f(x) = ax 2 + bx + c What is “a” called?
the coefficient of the quadratic term, or the coefficient of the leading term
f(x) = ax 2 + bx + c What is “b” called?
the coefficient of the linear term
f(x) = ax 2 + bx + c What is the coefficient of the quadratic term?
a
f(x) = ax 2 + bx + c What is the coefficient of the linear term?
b
f(x) = ax 2 + bx + c What is the coefficient of the constant term?
c (it is the y intercept)
f(x) = ax 2 + bx + c What is the quadratic term?
ax 2
f(x) = ax 2 + bx + c What is the linear term?
bx
f(x) = ax 2 + bx + c What is the constant term?
c (it is the y intercept)
f(x) = ax 2 + bx + c What is y intercept?
c, the coordinates of the y intercept are (0,C)
f(x)= 3x 2 -6x+5 What is the quadratic term?
3x 2 is the quadratic term
f(x)= 3x 2 -6x+5 What is the linear term?
-6x is the linear term
f(x)= 3x 2 -6x+5 What is the constant term?
5, it is the also the y intercept
f(x)= 3x 2 -6x+5 What is the coefficient of the quadratic term?
3 this is also known as “a”
f(x)= 3x 2 -6x+5 What is the leading term?
3x 2 is the leading term
f(x)= 3x 2 -6x+ 5 What is the coefficient of the linear term?
-6 is the coefficient of the linear term, this is also known as “b”
f(x)= 3x 2 -6x+5 What is the coefficient of the constant term?
5
this is also known as “c”
f(x)= 3x 2 -6x+5 what are the coordinates of the y-intercept?
(0,5) are the coordinates of the y intercept
f(x)= 3x 2 -6x+5 What is the coefficient of the constant term?
5
what is the quadratic term’s exponent on the x ?
2
what is the linear term’s exponent on the x ?
1
what is the constant term’s exponent on the x?
0
What does “descending” mean
decreasing.. 5, 4, 3 is descending
What does it mean to be for a polynomial to be in “STANDARD FORM”
When the terms are arranged so that their degrees go in descending order. Highest degree term goes first, lowest last.
What is another name for the term in a polynomial with the highest degree?
The LEADING TERM
How can you find the LEADING TERM?
It is the term with the highest degree