Is 4x2-7x+3 a polynomial?
Yes
What is the degree of 7x3+4x-9?
3
Put in Standard Form: 3-x2+6x
-x2+6x+3
Solve:
y=x+3
x+y=7
(2,5)
Solve:
x+y=10
x-y=4
(7,3)
Is 5/x a polynomial? Why or why not?
No, the variable is in the denominator.
What is the Leading Coefficient of -5x4+2x-1?
-5
Put in Standard Form: 7-2x5+3x2
-2x5+3x2+7
Solve:
y=2x
x+y=9
(3,6)
Solve:
x+2y=9
x-2y=1
(5,2)
is -9x1/5 a polynomial?
No, the exponent (Degree) is a fraction
What is the degree of 12?
0
What do you call a term with no variable?
Constant Term
Solve:
y=x-4
2x+y=5
(3,1)
Solve:
x+2y=13
5x-2y=5
(3,5)
is 9x3-x+8 a polynomial?
Yes
What is the Leading term of 4x-2x5+9
-2x5
Put the following equation in Standard Form: -6x+x4+10
x4-6x+10
Solve:
y=3x+1
2x+y=11
(2,7)
Solve:
3x+y=11
3x-y=7
(3,2)
Is x-2+6 a polynomial? Why?
No, negative exponent (Degree)
What is the Degree and Leading Coefficient of 9x7-3x2+4
Degree: 7
Leading Coefficient: 9
What is the degree of a constant?
0
Solve:
x=-y+6
3x+y=12
(3,3)
Solve:
2x+3y=13
2x-y=5
(7/2,2)