Pre-Algebra. Ch 9 Terms

Question 1

Ordered Pair

Answer 1

Two Numbers written in order (4,5). Can be used to show position on graph with (x,y) values. So x (horizontal = 4,) and y (vertical = 5).

Question 2

Origin

Answer 2

The starting point. Where x and y axis cross. On a graph it is typical (0,0)

Question 3

x-coordinate

Answer 3

The horizontal value. In a (x,y) coordinate, x is always first.

Question 4

y-coordinate

Answer 4

The vertical value. In a (x,y) coordinate, y is always second.

Question 5

Quadrant

Answer 5

Any of the four areas when you divide a graph with an (x,y) plane at 0,0

Question 6

Transformation

Answer 6

Changing a shape using turn, flip, or resize

Question 7

Reflection

Answer 7

Image or Shape as it would be seen in a mirror

Question 8

Translation

Answer 8

Sliding a shape moving location, but not shape

Question 9

Rotation

Answer 9

A central point that is fixed everything else moves in circle around a central point

Question 10

Function

Answer 10

Relationship where each input has a single output….expressed as f(x)

Question 11

Domain

Answer 11

All the inputs that can into a function f(x)

Question 12

Range

Answer 12

All the outputs that come out of a function….The combination of Domains and Ranges can be graphed.

Question 13

Slope

Answer 13

Measures steepness of a line

Question 14

Y-intercept

Answer 14

Where a straight line crosses the y-axis of a graph