Graphing and Coordinate Geometry Flashcards
1
Q
What does an open circle represent in an inequality?
A
An inequality with < or >
2
Q
What does a closed circle represent in an inequality?
A
An inequality with /or equal to
3
Q
When you multiply or divide an inequality by a negative number, what happens to the inequality symbol?
A
It flips
4
Q
What is the origin of a graph?
A
Point (0,0)
5
Q
What is the formula for the Slope/Intercept?
A
y=mx+b. M representing the slope and B representing the Y-intercept.
6
Q
What is the formula for slope?
A
m = (y2 - y1) / (x2 - x1)
7
Q
What is the formula for midpoint?
A
(x1 + x2) /2 , (y1 + y2) /2
8
Q
What is the formula for distance?
A
d = \sqrt{(x2 - x1)^2 + (y2-y1)^2}
