Exploring Mathematics Chapters 9-10 Flashcards
Discovering the value of x when y is equal to zero is called
solving
y=k/x
Two bits is equal to how many cents?
25
do not repeat, do not terminate, and do not form a pattern
Before the invention of calculators, shares were used to reduce the necessity of doing
division
y=kx
y=kx2
2, 4, 6, 8, 10
even numbers
The period of a pendulum (y-axis) is directly proportional to the square root of the length of the pendulum (x-axis).
0, 1, 2, 3, 4, 5
whole numbers
The distance an object falls (y-axis) under the influence of gravity is directly proportional to the square of the time it has fallen (x-axis).
The square root of two, is an example of
an irrational number
1, 3, 5, 7, 9
odd numbers
1, 2, 3, 4, 5
counting numbers
The American colonies divided the real, a Spanish coin, into how many pieces?
8
The volume of a gas (y-axis) is inversely proportional to the pressure acting on the gas (x-axis).
irrational numbers
The length a spring stretches (y-axis) is directly proportional to the force pulling on the spring (x-axis).
A common fraction can be changed into a decimal by dividing the numerator by the
denominator
1/1, ½, ¾, ⅔
rational numbers
-3. -2. -1, 0, +1, +2, +3
integers
The 5 in the equation 5x + 2 = 0 is called
a coefficient
In the 1600s, the French mathematician Rene Descartes discovered a way to combine algebra with
Geometry