A27­5Part2Notes.notebook
October 20, 2015
Algebra 2
Ch.7 Notes Page 41
P41 7­5 Solving Square Roots and
Other Radical Equations (Part 2)
Aug 19­6:20 AM
Checking for Extraneous Solutions
Solutions that Do NOT work in the Original
√(x ­ 3) + 5 = x
Nov 12­8:20 AM
1
A27­5Part2Notes.notebook
October 20, 2015
Checking for Extraneous Solutions
Solutions that Do NOT work in the Original
√(5x ­ 1) + 3 = x
Nov 12­8:20 AM
Solving Equations with 2 Rational Expressions
Check for Extraneous Solutions
(x + 1)2/3 ­ (9x + 1)1/3 = 0
Nov 12­8:22 AM
2
A27­5Part2Notes.notebook
October 20, 2015
Solving Equations with 2 Rational Expressions
Check for Extraneous Solutions
√(3x + 2) ­ √(2x + 7) = 0
Nov 12­8:29 AM
Solving Equations with 2 Rational Expressions
Check for Extraneous Solutions
(2x + 1)0.5 ­ (3x + 4)0.25 = 0
Nov 12­8:32 AM
3
A27­5Part2Notes.notebook
October 20, 2015
Problem Solving
The power P in watts that a circular solar cell produces and the radius of the cell in centimenters are related by the square root equation r = √(P/.02π). About how much power is produced by a cell with a radius of 10cm?
Nov 8­8:59 AM
HW #42
7­5 P394 #16­30 Even
Please put your name and class period at the top of
the homework. Also include the homework number.
Aug 19­6:25 AM
4