Exercise 7.3.1 Why does the graph of a linear function have to pass through the origin?
HW#9
Thursday, March 15, 2018
10:08 AM

Exercise 7.3.2 In the right panel of Figure 7.6:
a) Where are the cutting planes?

b) What is the significance of the red triangle?

c) How do we know that the two red lines have the same slope?

d) How do we know the values of ΔY and ΔZ (other than reading the labels)?

Exercise 7.3.3 Compute the slope of the blue line.

Section 7.3 Further Exercises
a) ΔZ/ΔY = 3 and ΔZ/ΔX = 5
b) ΔZ/ΔX = 4 and ΔZ/ΔY = 1.5
c) ΔZ/ΔX =
−
3 and
ΔZ/ΔY =
1. Write the equation for the plane passing through the origin that has the slopes below:
−
1
LS30B Page 1

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