An argument that establishes the truth of a proposition is called a ______.
What is a proof
100
Similar and congruent mean the same thing. True or False?
False
100
Definition of transformations
What is moving a figure while keeping the same size and shape
100
Lines that are at right angles 90° to each other.
What are perpendicular lines
100
A _____ is a proposition that can be proved to be true.
What is a theorom
200
Always goes first in a two column proof
What is the given
200
Which side does AB correspond with in Figure 2?
A______________B
l l E__________F
l Figure 1 l l l
l_____________l l_Figure 2 __l
D C H G
Side EF
200
Three types of transformations
What are translations, rotations, and reflections
200
Are these Parallel, Perpendicular, or Neither: y = 5x + 4 and y = -2/3x + 4.
Neither
200
If Y = 7.5 cm and Z = 18 cm, what is the length of X
X=19.5 cm
300
Prove that if x > 2 and y > 3 then x + y > 5
x+y>2+3=5.
300
A 6 ft tall adult casts a shadow that is 15 ft long. What is the height of a child who casts a 10 ft. shadow?
4 ft.
300
Fixed point in which a figure is rotated around.
What is the center of rotation
300
What is the slope of a line parallel to y=-12x + 1?
m=-12
300
m< AX= 84 ° m< XB= 11 ° Ray X is in between Rays A and B, so m< AB= ___ °
95º
400
Fill in the missing statements. AB=CD Given AB+BC=BC+CD Addition property of equality ? Segment addition postulate BD=BC+CD Segment addition postulate ? Substation property of equality
AC=AB+BC AC=BD
400
Explain what would happen to a figure if you transformed this point:
(2x, 4y)
The figure would be 2 times wider and 4 times taller.
400
If N(2, 4) is reflected in the line y = 2, then what is N'?
(2,0)
400
Write the equation of a line that is Perpendicular to y=1/4x-2 and crosses through the point (-3, -3).
y = -4x -15
400
The ________________ is used when the hypotenuse squared equals the sum of the legs squared to prove the triangle is a right triangle
What is the Pythagorean Theorem
500
Angle A is congruent to angle B And angle B is congruent to angle C What other two angles are congruent?
Angle A is congruent to angle C by transitive property.
500
A triangle DEF has sides with the following lengths: DE is 45, EF is 39 and FD is 42. Triangle XYZ has sides with the lengths: XY is 30, YZ is x, and ZX is 28. If DEF and XYZ are similar, what is the value of x?
x=26
500
The first translation maps J to J' and the second maps J' to J". Find the translation that maps J to J". Translation 1: (x, y) --> (x+7, y-2) Translation 2: (x, y) --> (x-1, y+3) Translation: (x, y) --> (????? ?, ?????)
(x, y) --> (x+6, y+1)
500
What is the slope of a line perpendicular to y=5/4x +7