Graph:
Solve:
Find a quadratic function with integral coefficients that has a root of
2( 3) ( 1)y x x
3 212 6 8 4 0x x x
4 2
Bellwork: (no calculator)
Lesson 5.2
Simplifying and Applying Rational Exponents
What is a rational exponent?
A rational exponent is an exponent that is a fraction
5
4x
Write using a radical sign:
3 3
2 23 x
Simplify using positive rational exponents:
3 4x 3 6x x x
Simplify using positive rational exponents:
46 1 227a b1 1 1
22 2 2
1
3
9 6
12
a b a b
ab
Solving Equations with Exponents:
We are not using
logs yet!
516 2x
19 27x
Solving Equations with Exponents:
38 64x
38 64x
Solving Equations with Exponents:
2
264
2
x
x
Application
A house bought for $235,000 in 2003 was sold for $335,000 in 2007. What was the annual rate of appreciation?
Homework
Sec 5.2p. 1782-38 e.o.e.44-48 even