Chapter 10, Lesson 4

10-4.A distinguish between exact values and approximations
For which calculation is the result an exact value?

10-4.B apply the area formula for a parallelogram
Which calculation can be used to find the area of the indicated parallelogram ABCD?


10-4.C recognize inverse operations
If x2 = 64, which calculation should you use to find x?
I Divide by 2.
II Multiply by 2.
III Take the square root.
(a) I or III only (b) I only (c) II only (d) III only