a2-9
(a+3)(a-3)
x2+3x+2=0
x=-2, -1
Factor!
w3+2w2+9w+18
(w2+9)(w+2)
6x2+7x+1=0
x=-1/6, -1
What is the vertical motion formula?
ht=-16t2+v0t+h0
g2-196
(g+14)(g-14)
x2+8x+15=0
x=-5, -3
Factor!
2s3-8s2+3s-12
(2s2+3)(s-4)
5n2-6n-8=0
n=-4/5, 2
Mr. Ryce jumped off the ground with an initial velocity of 4 meters per second. When will he land?
t=1/4 seconds or 0.25 seconds.
16y2-121
(4y+11)(4y-11)
x2+12x+20=0
x=-10, -2
2x3+3x2-8x-12=0
x= 2, -2, -3/2
10c2-14c+4=0
c=2/5, 1
An acorn fell from 169 feet above the ground. After how many seconds does the acorn land on the ground?
13/4 seconds
(-13/4 is extraneous!)
-25x2+144
-1(5x+12)(5x-12)
x2+3x-28=0
x=-7, 4
12a3+10a2-6a-5=0
a= -5/6, rad1/2
2a2-11a+5=0
a=5, 1/2
A rectangular box has a length of (x) feet, width of (x-1) feet, and height of (x+4) feet. If the box has a volume of 12 cubic feet, what would be the length, width, and height of the tank?
length=2 feet
width=1 feet
height=6 feet
-3(3k+10)(3k-10)
r2-6(r-2)=4
r=4,2
g3-11g2-9g+99=0
g=11, 3, -3
3b2-17b+20=0
b=5/3, 4
A box that is a rectangular prism has the following dimensions:
h: (x+8)
w:(x-2)
l: (x)
The volume of the box is 96 inches. What are the length, width, and height of the box?
l= 4 inches
w= 2 inches
h=12 inches