Adding, Subtracting, and Multiplying Polynomials
What degree is each of the following polynomials:
1. 12x3y5
2. 2c4 + 3c5
1. 8
2. 5
Factor.
18x2-27
9(2x2 - 3)
Solve.
x2 = 121
x = -11, 11
Solve.
y2 + 5y = 0
y = -5, 0
What is the quadratic formula?
Sing it!!!
Find the product.
(5x+1)2
25x2+10x+1
Find the sum. Write your answer in standard form.
(4a-a3-3) + (2a3-5a2+8)
a3 - 5a2 + 4a + 5
Factor.
qr2 - r3
r2(q - r)
Solve.
2x2 - 98 =0
x = -7, 7
Solve.
15b2 + 4b = 0
b = -4/15 , 0
Solve.
x2 + 4x + 3 = 0
x = -3, -1
When is Mr. Meester's birthday?
April 8
Find the difference.
(4m2-m+2)-(-3m2+10m+4)
7m2 - 11m - 2
Factor.
5y2 + y
y(5y + 1)
Solve.
(x - 2)2= 121
x = -9, 13
Solve.
12k2 = 42k
k = 0, 7/2
Solve.
3x2 = -14x + 49
x = -7, 7/3
The area of a rectangle is 1260 m2. Find the dimensions of the rectangle if we know that one side is 48 m longer than three times the other side.
14 ft. x 90 ft.
Find the product.
1. (2k+5)(4k-1)
2. (a - 6)2
1. 8k2 + 18k - 5
2. a2 - 12a + 36
Factor.
25x2y2 + 15xy2
5xy2(5x + 3)
Solve.
7(x - 4)2 + 63 = 175
x = 0, 8
Solve.
12k2 - 3k = 3k2 + 3k
k = 0, 2/3
The formula for throwing a baseball in the air is represented by h = – 16t2 + 12t + 40 where h is the height of the ball. After how many seconds will the ball hit the ground?
After 2 seconds
Solve.
8a2 + 6a = -5
NO SOLUTION
Find the product.
(4 - b)(5b2 + 5b - 4)
-5b3 + 15b2 + 24b - 16
Factor.
27a3b3 + 36a4b2
9a3b2(3b + 4a)
One side of a rectangle is 3 feet shorter than twice the other side. Find the side lengths of the rectangle if the area is 209 ft.2.
11 ft. x 19 ft.
Solve.
2k2 - 5k = 3k2 + k
k = -6, 0
The equation y = x2 – 12x + 45 models the number of books y sold in a bookstore x days after an award- winning author appeared at an autograph-signing reception. What was the first day that at least 100 copies of the book were sold? SHOW YOUR WORK
x = 15.54
So.... DAY 16!
Factor.
36a2b8c5+24a7b5c
12a2b5c(3b3c4+2a5)