Applications of Linear Systems

Objective: To choose the best method for solving a system of linear

equations.

How do we solve?

How do we solve?

hShT

75.715.19

Problem 1

Problem 1

Got it?

Got it?

xIxC

280.864

7208642.1

80.8642

xx

xx

Problem 2

Problem 2

Got it?

Got it?

)15(18.12.20.15

solution %12solution %20

yxyx

yx

Got it?

)15(18.12.20.15

solution %12solution %20

yxyx

yx

25.11,75.33.08.

7.212.20.37.212.)15(20.

)15(18.12.20.15

xyy

yyyy

yxyx

Air Travel

Problem 3

Problem 3

Got it?

• You row upstream at a rate of 2mi/h. You travel the same distance downstream at a rate of 5 mi/h. What would be your rowing speed in still water? What is the speed of the current?

Got it?

• You row upstream at a rate of 2mi/h. You travel the same distance downstream at a rate of 5 mi/h. What would be your rowing speed in still water? What is the speed of the current?

5.1,5.372

25

speed current Row

crrwrwr

Homework

• Pages 386-387• 7-15 odd