adding mono and polynomials
5x+7x
12x
(8x4y3)(2x5y6)2
16x14y15
10xy-6xy
4xy
a theater has 60 seats in the first row,68 seats in the second row, 76 seats in the third row, and so on in a increasing pattern. How many seats are on the 15th row
180
x25x+6=0
x=-2,-3
(x2+5x-9)+2x(4x-3)
9x2-x-9
x2=49
x=7
(4x+3)-(2x+1)
2x+2
The sequence below shows the number of trees that a nursery plants each year
2,8,32,128...
which sequence could be used to determine the number of tress the nursery will plant in year n
a)an=4an-1
b)an=1/4an-1d)an=an-1+6
an=4an-1
The floor of a retangular cage has a length 4 feet greater than its width, w. james will increase both dimensions of the floor by 2 feet. which equation represents the new area,n, of the floor of the cage
a)n=w2+4w
b)n=w2+6w
c)n=w2+6w+8
d)n=w2+8w+12
n=w2+8w+12
2xy2+4y2x+7x2y2
6xy2+7x2y2
Which expression is equivalent to (x + 2)(3x – 3)?
A 3x2 – 6
B 3x2 + 3x – 6
C 3x2 + 6x – 6
D 3x2 + 9x – 6
B)3x2+3x-6
-8a3-(-a3)
-7a3
a single bacterium is placed in a test tube and splits in two after one minute, after two minutes the resulting two bacteria split in two, creating 4 bacteria
how many bacteria are created after 15 minutes?
30
a rectangle has a length that is 2 unit longer than the width.if the width is increased by 4 units and the length increased by 3 unit, write two equivalent expressions for the area of the rectangle
(x+5)(x+4)=x2+9x+20