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146 day3 October 08, 2014
y=x+2
zero at x=2
degree:1 (odd)
end behave: disco
lead: 1(positive)
end behave: disco right
146 day3 October 08, 2014
Degree:2
End Behaviour: parabola
Lead:1
End is Happy
y=(x+2)(x3)
factors
zeros:2,3
"passing thru"
146 day3 October 08, 2014
degree:2
zero: 2,2
graph "touches" at 2
146 day3 October 08, 2014
zeros:2,0,3
factors: (x+2)x(x3)
degree:3
"faces"there are 3
disco right means..
lead is +
"pass thru" every zero
146 day3 October 08, 2014
degree: odd/3
3 faces.
lead: negative
disco left
zeros: 2(pass) ,3 (touching),3
factors: (x+2)(x3)(x3)
146 day3 October 08, 2014
"Jig" = 3 faces
degree: 4 1 jig
lead: + (happy parabola)
zeros: 0, 0,0, 2
factors: x,x,x,(x2)
146 day3 October 08, 2014
=(x1)(x+3)(x3)
=2x*x(x+4)
146 day3 October 08, 2014
146 day3 October 08, 2014
stat edit
enter data
stat > calc 6: cubicreg
stat > calc 6: quarticreg
plots on
zoom stat
graph
use table...
Make a prediction in words!
146 day3 October 08, 2014
remainder
146 day3 October 08, 2014
w=4L
h=L+5
L=L
v=L*W*H
26=L*(4L)*(L+5)
intersection method
y1=26
y2=x(4x)(x+5)
146 day3 October 08, 2014
i * i = 1
x^2+3xi3xi9i2 = x2 9(1) = x2+9
magnary 3i has conjugate 3i
complex 3+2i has conjugate 32i
146 day3 October 08, 2014
degree: 4
zeros:(4 of them): 1, 1, 23i, so....2+3i is the forth!
factors: (x+1)(x+1)(x2+3i)(x23i)
146 day3 October 08, 2014
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