Download Geometry Final Exam Review Guide A. Linear Equations 1. Parallel

Geometry Final Exam Review Guide
A. Linear Equations
1. Parallel lines have slopes that are ___________________.
2. Perpendicular lines have slopes that are _______________________.
Write an equation of a line that is perpendicular to 2x + 3y = 9 and
passes through (6,1)
3. Write an equation of a line that is perpendicular to, and bisects, the
segment joining (1,4) and (9,4)
B. Quadratic and Linear Systems
Find the solution to:
C. Tools of Geometry
1. Write the Midpoint formula:
2. Write the Distance formula:
3. Write the slope formula:
4. Draw the following “Locus” models:
a. A given distance from a point:
b. A given distance from a line:
c. Equidistant from parallel lines:
d. Equidistant from two points:
e. Equidistant from intersecting lines or a given angle:
D. Parallel Lines and Transversals
Name the congruent angles and their relationship: (a is parallel to b)
1
2
a
3
5
4
6
b
7
8
E. Triangles
1. An exterior angle of a triangle is equal to
_______________________________________________________
Draw a diagram that justifies this statement:
2. The sum of any two sides of a triangle must be ________________
_______________________________________________________
3. Name three lengths that can be sides of a triangle:
Name three lengths that cannot be sides of a triangle:
4. The longest side of a triangle is opposite the ______________________
The shortest side of a triangle is opposite the ______________________
F. Polygons
1. The sum of the exterior angles of any polygon is ______________.
2. The sum of the interior angles of a polygon is ________________
3. To prove a quadrilateral is a parallelogram show:
4. To prove a quadrilateral is a rhombus show:
5. To prove a quadrilateral is a square show:
6. To prove a quadrilateral is a trapezoid show:
G. Circles
1. Equation of a circle whose center is (0,0)
2. Equation of a circle whose center is (h,k)
3. Draw a central angle and the measure of its angle and the arc it cuts off:
4. Draw an inscribed angle and the measure of its angle and the arc it cuts
off:
5. Draw intersecting chords, and show the relationship of one angle and
the arcs the segments cut off.
6. Draw intersecting chords and show the relationship between each of
the pieces of the chords.
7. Draw a circle with 2 tangents drawn from the same external point.
Connect the two points of tangency with a chord. What is the
relationship between the lengths of the tangents?
H. Right Triangle Similarity: Identify parts of diagrams and write the two
proportions:
I.
Transformations
Reflection in x axis:
Reflection in y axis:
Reflection in y=x :
Reflection in origin:
Reflection in y=-x :
Translate according to the rule (x +a, y + b) or Ta,b
Rotate 90◦ :
Rotate 180◦
Dilate by “k” (x,y) would be:
Composition of functions: Transform the point (3,-2) according to the rule
T-3,4 ◦ rx-axis
***Which transformation goes first?
Vocabulary:
Invariant
Isometry
Opposite Isometry/direct isometry
J. Logic
1. When is an “and” statement true?
2. When is an “or” statement true?
3. When is a conditional statement false?
4. When is a biconditional statement true?
5. Related conditionals:
If I study a lot, then I will do well.
Converse:
Inverse:
Contrapositive:
Which of these statements is always true when the conditional is true?
In other words, which statement is always logically equivalent to the
original conditional?