Linear Equations
x+7=15
x=8
x2+8x+15
Whats the vertex?
y=(x-1)2+4
(1,4)
x2+8x+15
(x+3)(x+5)
Find the mean
(4, 8, 6, 12)
Mean: 7.5
3x-4=11
x=5
(x+2)(x+4)
x2+6x+8
Whats the vertex?
y=(x+3)2+5
(-3,5)
x2-9x+20
(x-4)(x-5
Find the mean
(5, 11, 14)
Mean: 10
2(x+4)=14
x=3
(x-6)(x-2)
x2-8x+12
Whats the vertex?
y=(x+2)2-5
(-2,-5)
x2+8x+12
(x+2)(x+6)
Find the mean
(10, 15, 20, 25, 30)
Mean: 20
3(x+2)-5=10
x=3
(x-3)(x+5)
x2+2x-15
Minimum or maximum
y=-2(x-3)2+8
Maximum
x2+2x-24
(x+6)(x-4)
Find the mean
(3, 7, 8, 14)
Mean: 8
4(x+2)-3=2x+13
x=4
(2x+3)(3x-1)
6x2+7x-3
Minimum or Maximum
y=3(x+4)2+2
Minimum
x2+12x+36
Find the mean
(1, 2, 4, 5, 7, 11)