Solving from factored form
(x-2)(x+1)=0
2, -1
x2-13x+36 =0
4, 9
x2=16
4, -4
(x+3)(x-2)=y
-3 and 2
What is Mrs. Roberts favorite type of dog?
Boxer
x(x+6) = 0
0, -6
x2+2x-8=0
-4, 2
-3x2+75 = 0
5,-5
x2+14x+49=y
-7
What group is Mrs. Roberts in charge of at OHS?
Stuco
3x(x-8)=0
0, 8
x2-7x=0
0, 7
4x3-x=0
0,1/2, -1/2
y = 2x2+11x-6
1/2 and -6
A compass is accidentally thrown from a hot air balloon at a height of 300 ft. The height, y, of a compass at time x in seconds is given by the equation y = -16x2+20x+300.
What is the height of the compass after 3 seconds?
216 ft
(2x+3)(4x-5)=0
-3/2, 5/4
x2-4x=32
8, -4
x3-12x2+32x=0
0,4,8
7x3-7x=y
0,1,-1
Explain this student's mistake:
x(x-2)=8
x = 8 or x - 2=8
x = 10
You can only use the zero product property. It does not work with any other number.
4(x-7)=6
17/2
x(3x-1)=14
7/3, -2
(2x+3)(2x2-5x-3)=0
-3/2, -1/2, 3
y = 6x2-22x-40
-4/3 and 5
Solve:
3x2-20x=-4x2-7x-6
6/7, 1