Chapter 2&3 Flashcards
1
Q
Perimeter or a rectangle
A
P=2l+2w
2
Q
Vertical
A
X axis
3
Q
Horizontal
A
Y axis
4
Q
Using the intercepts
A
Let X&Y be 0
5
Q
Slope of a line
A
X2-X1
Ex
(-2,-7) and (-5,-10)
X1, Y1. X2,Y2.
6
Q
0
A
Undefined
7
Q
6
A
0
8
Q
X=10
A
Undefined
9
Q
Y=3
A
M=0
10
Q
Slope intercept form
A
y=mx+b
11
Q
Point slope form
A
y-y1=m(x-X1)
12
Q
(2,6) (6,2) find the equ of the line write in slope int form
A
1)
M=y2-y1
———
X2-x1
2)
Y-y1=m(x-x1)
13
Q
Set builder
A
{x|x>-1}
14
Q
Interval notation
A
[-1,infinity)
15
Q
Flip equality sign if you
A
Divide by a negative
