Exploring Mathematics Chapters 9-10

Question 1

Discovering the value of x when y is equal to zero is called

Answer 1

solving

Question 2

Answer 2

y=k/x

Question 3

Two bits is equal to how many cents?

Answer 3

25

Question 4

Answer 4

do not repeat, do not terminate, and do not form a pattern

Question 5

Before the invention of calculators, shares were used to reduce the necessity of doing

Answer 5

division

Question 6

Answer 6

y=kx

Question 7

Answer 7

y=kx²

Question 8

2, 4, 6, 8, 10

Answer 8

even numbers

Question 9

The period of a pendulum (y-axis) is directly proportional to the square root of the length of the pendulum (x-axis).

Answer 9

Question 10

0, 1, 2, 3, 4, 5

Answer 10

whole numbers

Question 11

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).

Answer 11

Question 12

Answer 12

Question 13

The square root of two, is an example of

Answer 13

an irrational number

Question 14

1, 3, 5, 7, 9

Answer 14

odd numbers

Question 15

1, 2, 3, 4, 5

Answer 15

counting numbers

Question 16

The American colonies divided the real, a Spanish coin, into how many pieces?

Answer 16

8

Question 17

The volume of a gas (y-axis) is inversely proportional to the pressure acting on the gas (x-axis).

Answer 17

Question 18

Answer 18

irrational numbers

Question 19

The length a spring stretches (y-axis) is directly proportional to the force pulling on the spring (x-axis).

Answer 19

Question 20

A common fraction can be changed into a decimal by dividing the numerator by the

Answer 20

denominator

Question 21

1/1, ½, ¾, ⅔

Answer 21

rational numbers

Question 22

-3. -2. -1, 0, +1, +2, +3

Answer 22

integers

Question 23

The 5 in the equation 5x + 2 = 0 is called

Answer 23

a coefficient

Question 24

In the 1600s, the French mathematician Rene Descartes discovered a way to combine algebra with

Answer 24

Geometry