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Lesson MA 7 Outline
Answering of homework questions over lesson 6.
Lesson 7 Section 2.1 Equations
(I) Linear Equations
Example:
4 ( 2 y + 5) 3( 4 y ) = 0
(II) Rational Equations
(a) Example (Method 1):
5
3
8 = 2+
x
x
(a) Example (Method 2):
5
3
8 = 2+
x
x
(b)
4
9
18
=2
x x 1 + 1 x 1
(c)
4
1
5x 6
+
=
x + 2 x 2 ( x + 2) ( x 2)
(III) Several Varibables
Example:
(a) Solve for h:
1
A = bh
2
#67. Solve A =
1
( b1 + b2 ) h for b1
2
Example:
For what value of c is a=3 a solution of 2 x + 3c = c + 5