[IMG]D:\Documents and Settings\fang\My Documents\Scan0002.jpg[/IMG]
OPS~ how to put picture?!?!?!?!
1.b Evaluate without a calculator given that
and .
We want to write as a product of a square and one of
the number we are given the square root of. Now:
,
and
.
is not the square of an integer, but . So we can write:
.
RonL
Hello,xiaoz!
Here's #6 . . .
We have: .6(a) Solve the inequality:
Add 13 to each side: .
Divide by 6: .
There are several ways to solve this problem.(b) Find a fraction such that:
(1) To find a number between two given numbers, average the numbers.
. . .
(2) Convert to decimals:
Then let be any decimal between and
For example: .
Change the first expression into the second, step by step.(c) If , find the value of
We have: .
Cube both sides: .
Multiply by 2: .
Subtract 4: .