Points Lines Planes
Finding Unkowns
Logical Relationships
Logical Laws
Slope
Transversals
100
Name 3 coplanar points
What is:
D, E, F....OR....D, F, G....OR....D, E, G
....OR...F, E, G, B
100
What is the length of a line segment AB when A (2,3) and B (-1, 7)?
d=sqrt((x-x)^2+(y-y)^2)
What is: d=5
100
Rewrite as a conditional statement:
When it is raining out I bring and umbrella to school.
What is:
If it is raining, I will bring an umbrella to school.
100
Is this Law of Syllogism, Law of Detatchment, or INVALID?
(1) If you grow a garden, then you will have fresh vegetables.
(2) If you have fresh vegetables, then you will eat salad.
Therefore:
If you grow a garden, then you will eat salad.
What is:
Law of Syllogism
100
What is the formula for slope given two points (x,y)?
What is:
m=(y-y)/(x-x)
100
Given the l and m are parallel. If the measure of angle 1 is 80 what is the measure of angle 5?
what is:
80
200
Name a plane containing F:
What is:
Plane T
200
What is the midpoint, R, of segment QS when Q (9,4) and S ( -3, 8)?
((x+x)/2, (y+y)/2)
What is: R is (3, 6)
200
What is the converse of this conditional statement and is it true?
If it is snowing then I wear snow boots.
What is:
If I wear snow boots, then it is snowing.
False
200
Is this an example of Law of Detatchment, Law of Syllogism, or INVALID?
(1) If you run in the race, then you will get a T-shirt.
(2) You run in the race
Therefore:
You will get a T-shirt
What is:
Law of Detatchment
200
What is the slope of line AB given that A (-1,5) and B (9,-2)?
What is:
mAB=7/10
200
Find x
What is:
x=13
300
Name the intersection of Plane T and Plane DEG:
What is:
Line EG
300
Line segment XZ has the midpoint Y, when X is (-2, 9) and Y is (3,3) what is the endpoint Z?
E (x,y)
M (x,y)
E (__,__)
What is: Z- (8, -3)
300
Write the inverse of the conditional statement and is it true?
If two angles add up to 90 degrees, then they are complementary angles.
What is:
If two angles do not add up to 90 degrees, then they are not complementary.
True
300
Is this the Law of Detatchment, the Law of Syllogism, or INVALID:
(1) If it rains, then you will get wet.
(2) You didn't get wet
Therefore,:
It didn't rain
What is:
INVALID
300
Are the two slopes parallel, perpendicular or neither?
mAB=1/3 and mCD=-3
What is:
Perpendicular
300
Find x
What is:
x= 7
400
How many planes appear in the figure?
What is: 4
400
If V is the midpoint of segment TW, and TV=2x-3 and VW=x+2, find X.
What is: x=5
400
Write the contrapositive of this conditional statement, and is it true?
If it is a blue day, then I will go to my odd numbered classes.
What is:
If I do not go to my odd numbered classes, then it is not a blue day.
False
400
What conclusion can you make and why?
(1) If you are hungry, then you will eat.
(2) If you eat, then you will want to take a nap.
Therefore:?
What is:
Therefore, if you are hungry, then you will want to take a nap.
Law of Syllogism
400
Are the two lines parallel, perpendicular, or neither?
mWV=-5/6 and mXY=-5/6
What is:
Parallel
400
Find x
What is:
x=26
500
How many planes containe F?
What is: 3
500
If Z is the midpoint of segment AB and AZ=5x+12 and ZB=9x-16, find AB.
What is: 94
500
Write the biconditional of this conditional statement and is it true?
If you finish the marathon first, then you will win a gold metal for running it.
What is:
You finish the marathon first, if and only if, you will win a gold metal for running it.
False
500
What conclusion can you make?
(1) If it is sunny, then I will go for a walk.
(2) It is sunny
What is:
Therefore, I will go for a walk.
Law of Detatchment
500
What is the equation for a line that is parallel to
y=3x+5 and contains the point (2,7)
What is
y=3x+1
500
Find x
What is:
x=18