Section 1.1
Section 1.3
Section 1.4
Section 1.5
Section 1.6
100
Name the error(s) found in the picture below.
Missing 'm' in front of angle signs.
100
This formula gives us...
Midpoint.
100
Inductive Reasoning tells us the # of triangles at step 5 is...
12 triangles.
100
Below is an example of a...
"If it's a bird, then it has feathers."
Conditional Statement.
100
State this law.
then q is true."
Law of Detachment.
200
If AB=x, BC=4x, and AC=80, then BC=__?
BC = 64
200
This formula gives us...
Distance between two points (x1,y1) and (x2, y2).
Length of a segment with endpoints
(x1,y1) and (x2, y2).
200
Give a counterexample to the claim...
"Squaring any number will return a positive number."The number 0 --> 02 = 0*0 = 0. Note that 0 is not positive.
200
A conditional statement is given:
"If x=7, then x2 = 49."
What is the truth value of this statement?True.
200
If 3 points are non-collinear, then they form a triangle.
Points A,B, and C are not on a line.
Conclusion: __________
Points A,B, and C form a triangle.
300
Name a pair of Opposite Rays.
Segment CG and Segment CD.
300
Find the midpoint of this segment.
M = (1, 2)
300
The number at stage 6 will be...
200, 50, 50/4, 50/16, ___, ___, ...
50/256
300
Given the conditional statement:
"If it's an even number, then it's divisible by 2."
State the contrapositive.
"If it's not divisible by 2, then it's not an even number."
300
Name this law of logic:
If p→q and q→r are both true,
then p→r is true.
Law of Syllogism.
400
If AC = 240, then BC= ___?
BC = 120
400
What is the length of the segment?
The length is
sqrt(16+9)= sqrt(25) = 5.
400
Give a counterexample to the claim...
"If it has at most 4 sides, then it is a square."
A triangle has 3 sides (<4) and is not a square.
400
Given the statement:
"x=5 if 3x+2=17."
State the converse.
if x=5, then 3x+2 = 17.
400
If x < 0, then x is negative.
If x is negative, then |x| > 0.
Conclusion (if-then):
if x < 0, then |x| > 0.
500
If EM=15cm, then SA=...
If m∠S = 105o, then m∠M=...
SA = 15cm
m∠M = 105o
500
Given the midpoint and the endpoint in the following image, determine the coordinates of Q.
Q(8, 12)
500
Determine the 5th and 6th values in the pattern below.
1, -4, 16, -64, __, __
5th is 256
6th is -1024
500
Determine the truth value of the statement:
"If |x| = 12, then x = 12."
If false, state why.
False.
If |x| = 12, then x=-12 is also a possibility.
500
Use the law of detachment to draw a logical conclusion:
If it is a circle, then its circumference is 2πr (π = pi).
Circle O has a circumference of 6π (approx. 18.85)