Download Chapter 10 inverse variation rational equation rational expression

Chapter 10
Chapter 10 (p. 627)
Algebra 1 Flashcards
A relationship between two variables,
x and that can be written in the form
k , where k is a nonzero constant
y __
x
and x 0.
inverse variation
Chapter 10 (p. 674)
An equation that contains one or more
rational expressions.
rational equation
Chapter 10 (p. 642)
x+2
__
=6
x 2 + 3x - 1
A quotient of polynomials.
rational expression
Chapter 10 (p. 634)
x+2
__
x 2 + 3x - 1
A function whose rule is a quotient of
polynomials.
x+2
f(x) = __
x 2 + 3x - 1
rational function
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
225
Holt Algebra 1
Chapter 11
Chapter 11 (p. 732)
Algebra 1 Flashcards
In a geometric sequence, the constant
ratio of any term and the previous term.
common ratio
Chapter 11 (p. 748)
compound interest
In the geometric sequence
32, 16, 8, 4, 2, . . .,
1.
the common ratio is __
2
Interest earned or paid on both the
principal and previously earned interest.
The formula for compound interest is
r nt
A P(1 __
n) , where A is the final
amount, P is the principal, r is the
interest rate expressed as a decimal,
n is the number of times interest is
compounded, and t is the time.
If $100 is put into an account with
an interest rate of 5% compounded
monthly, then after 2 years, the account
0.05 12·2 $110.49.
will have 100 1 ____
12
Chapter 11 (p. 749)
exponential decay
An exponential function of the form
x
f(x) ab in which 0 b 1. If r is the
rate of decay, then the function can be
t
written y a(1 – r) , where a is the initial
amount and t is the time.
Y
x
()
1
f (x) = 3 _
2
X
Chapter 11 (p. 738)
A function of the form f(x) ab x, where
a and b are real numbers with a 0,
b 0, and b 1.
Y
exponential function
f (x) = 3 · 4 x
X
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All rights reserved.
226
Holt Algebra 1