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Vocabulary
Adding Polynomials
Subtracting Polynomials
#throwback
100
How many terms are in a trinomial?
Three
100
(x+5)+(3x+9)
4x + 14
100
(7x+4)-(5x+8)
2x-4
100
Simplify: (3x
2
)(-2x
3
)
-6x
5
200
What is the DEGREE of 2x
4
+9x
3
-5x
2
+6
4
200
(3x
2
+4x)+(2x
2
-3x)
5x
2
+x
200
(6x
2
+4)-(3x
2
+5)
3x
2
-1
200
Find the slope (1,6) (3,-4)
m = -5
300
How many terms are in this polynomial? 4y
5
+6xy-3x
2
Three
300
(-4x
2
+2x-3)+(5x
2
-4x+8)
x
2
-2x+5
300
(2x-4)-2(4x-2)
-6x
300
Convert to slope-intercept form: 4y-8x=24
y=2x+6
400
Write an example of a polynomial with 4 terms and degree of 3.
Ms. Kern will check!
400
(8x
2
-4x+3)+(7x
2
+2x-11)
15x
2
-2x-8
400
(6x
2
-5x+8)-(4x
2
-7x+9)
2x
2
+2x-1
400
Y varies directly as x. When y=12, x=-2. What is y when x=3? Formula: y=kx
y=-18
500
Like terms need to have...(two things!!)
1. Same variables 2. Same exponents
500
(5x
3
+4x
2
-2x+2)+2(2x
3
-2x
2
+x+5)
9x
3
+12
500
(6x
3
+4x
2
-4x+5)-2(2x
3
-3x
2
+5x-5)
2x
3
+10x
2
-14x+15
500
Solve the system of equations (use substitution or elimination): y=3x-2 y=-x-6
(-1, -5)