College Algebra Chapters 4.1-4.2
Unlock all answers in this set
Unlock answersquestion
Graph
answer
Shows the relationship between two variables
question
Cartesian Coordinate System
answer
Rectangular: locating and identifying points ; formed by two axes
question
Quadrants
answer
Two intersecting aaxes form four quadrants. I-IV
question
Origin
answer
Point of an intersection
question
Ordered Pair
answer
Used to locate a point in a coordinat system of the form (x,y)
question
x-coordinate
answer
Is the first number; is always listed first in an ordered pair
question
y-coordinate
answer
is listed second in an ordered pair
question
Linear Equation in Two Variables
answer
Is an equation that can be put in the form ax+by=c; a, b, and c, are real numbers
question
Linear
answer
ax+by=c are straight lines; for this reason the equation is said to be linear
question
Collinear
answer
A set of pairs that are on the line
question
Horizontal Line
answer
The graph of the equation of the form y=b
question
y-intercept
answer
point at which a graph crosses the y-axes
question
x-axis
answer
The point of which a graph crosses the x-axis is the x-intercept
question
(0,y)
answer
Coordinates of a graph of a y-intercept
question
x-intercept
answer
The point at which a graph crosses the x-intercept
question
Vertical Line
answer
The grapho of an equation of the form x=a is a veritcal line whos x-intercept is (a,0)
question
y-axis
answer
point at which the graph crosses the y=axis is called the y=intercept
question
(x,o)
answer
Coordinate of the graph of the x-intercept
