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27 Cards in this Set

  • Front
  • Back
slope intercept form
y=mx+b
m=slope
b=y-intercept
standard form
Ax+By=C
point slope form
y1-y2=m(x1-x2)
collinear
noncolinear
when 3+ points r on same line
when 3+ points not on same line
area of a rectangle
A=L*W
perimeter of rectangle
P=2(L*W)
postulate 1.1-----
ruler postulate
points on a line can be paired with real #s
Ex. a # line
postulate 1.2-----
segment addition postulate(sap)
if Q is b-tween P and R, then PQ+QR=PR
*pythagoreon theorem
A+B=C
midpoint formula
m=
adjacent angles
angles next to eachother
verticle angles
angles opposite eachother
postulate 1.4-----
angle addition postulate(app)
if R is in the interior of angle PQS, then measure of angle PQR + the measure of angle RQS= measure of angle PQS
postulate 2.1-----2pt. pos.
through any 2 points there is exactly 1 line
postulate 2.2-----3pt. pos
through any 3 points there is exactly 1 plane
postulate 2.3
a line conains at least 2 points
postulate 2.4
a plane contains at least 3 nonlinear pts.
postulate 2.5----- 2pt. plane pos
if 2 pts. lies in a plane the entire line formed by those 2 pts. lies in the plane
postulate 2.6-----
2 planes pos
if 2 planes intersect then there intersection is a line
law of detachment
if p→q is true and p is true then, q is true
law of syllogism
if p→q is true and q→r is true then, p→r is true
transitive property
if x=y and y=z then, x=z
reflexive
PQ=PQ
symmetric
if AB=CD then, CD=AB
transitive
if GH=JK and JK=LM then, GH+LM
classifying △s by pythagorean thrm.
a + b = c right
a + b < c obtuse
a + b > c acute
distance formula
d=