Chapter 1 Vocabulary

Question 1

Radius

Answer 1

A line segment with endpoints as the center of the circle and any point on the circle

Question 2

Diameter

Answer 2

A chord that intersects the center of a circle

Question 3

Solution point

Answer 3

A point on the graph of a function or relation; an ordered pair that when plugged into an equation will make a true statement

Question 4

Center of a circle

Answer 4

A point inside a circle to which all points lying on the circle are equidistant

Question 5

Distance formula

Answer 5

A formula that is derived from the Pythagorean Theorem that allows you to find the distance between any two coordinate pairs.
d = √(x2-x1)^2 + (y2-y1)^2

Question 6

Parallel lines

Answer 6

Lines that have equal slopes

Question 7

Perpendicular lines

Answer 7

Lines that have slopes that are opposite reciprocals of one another. These lines form a right angle at the intersection point.

Question 8

Linear equation

Answer 8

y = mx + b

Question 9

Average rate of change

Answer 9

The average slope over an interval of inputs of a function

Question 10

Increasing

Answer 10

The value of f(x) is increasing as we move from left to right

Question 11

Decreasing

Answer 11

The value of f(x) is declining as we move from left to right

Question 12

Constant

Answer 12

The value of f(x) is not changing as we move from left to right

Question 13

Absolute maxima

Answer 13

At x0 if f(x0) is the largest value of f(x) on I

Question 14

Absolute minima

Answer 14

At x0 if f(x0) is the smallest value of f(x) on I

Question 15

Zero of a function

Answer 15

The x values for which f(x) = 0; the roots of a function; the x-intercepts

Question 16

Equation of a circle

Answer 16

(x-h)^2 + (y-k)^2 = r^2