inv 1.1 testing bridge thickness · 2011. 9. 23. · csp beams 15 19 23 27 31 csp staircase frames...
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Inv 1.1 Testing Bridge Thickness
Inv 1.2 Testing Bridge Length
Inv 1.3 Custom Construction Parts
Inv 2.1 Linear Models
Inv 2.2 Equations for Linear Relatinships
Inv 2.3 Solving Linear Equations
One step equations:
9 = b + 4 -4 = h + 3 5 = x – 2
-4 -4 -3 -3 +2 +2
5 = b -7 = h 7 = x
Two step equations:
13 = 4x + 5 -6 = 2p – 2
-5 -5 +2 +2
8 = 4x -4 = 2p
4 4 2 2
2 = x -2 = p
Solving for y-intercept:
M = 2; ( 3 , 2 ) m = -3; ( 1 , 4 ) x y x y 2 = 2(3) + b 4 = -3(1) + b
2 = 6 + b 4 = -3 + b -6 -6 +3 +3 -4 = b 7 = b
Inv 2.4 Intersecting Linear Models
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