Name all pairs of alternate interior angles.

angle2 and angle8, angle3 and angle5
Determine whether the lines through the given points are parallel, perpendicular, or neither.
y = 3/5x - 3
5y = 3x - 10
parallel
The vertices of triangle ABC are A(2, 3), B(-1, 2), and C(0, 1). What are the coordinates of the vertices of the image after translating triangle ABC using the vector <1, 4>?
A'(3, 7), B'(0, 6), and C'(1, 5)
You want to reduce a picture that is 10 inches by 12 inches to a picture that is 2.5 inches by 3 inches. What is the scale factor k?
k=1/4=0.25
Given that
triangleTSRcongtriangleABC
m∠R = 19°, and m∠B = 56°, find m∠T.
105°
Classify
angle 3 and angle 8
as corresponding, alternate interior, alternate exterior, or consecutive interior angles.

consecutive interior angles
Are the lines L1 and L2 passing through the given pairs of points parallel, perpendicular or neither?
L1: (0, 3), (3 , 1)
L2: (-1, 4), (-7, -5)
perpendicular
Write a rule for the translation of triangle RST to triangle R’S’T’.

(x + 6, y + 4)
Quadrilateral PQRS has vertices P(1, 2), Q(2, 2), R(4, -2), and S(-1, -3). What are the coordinates of the vertices of the image after a dilation with a scale factor of 3?
P'(3, 6), Q'(6, 6), R'(12, -6), and S'(-3, -9)
Determine which triangle congruence theorem, if any, can be used to prove the triangles are congruent.

SSS Congruence Theorem
Find the value of x.

x = 8
Write the equation in slope-intercept form of the line that is parallel to the graph of y + 2x = 4 and passes through the point (-1, 2).
y = -2x
The vertices of triangle ABC are A(-2, -4), B(6, 2), and C(3, -5). What are the coordinates of the vertices of the image after reflecting triangle ABC across the x-axis?
A'(-2, 4), B'(6, -2), and C'(3, 5)
Triangle ABC has vertices A(-3, 5), B(4, 3), and C(-1, 1). What are the coordinates of the vertices of the image after a 270° counterclockwise rotation about the origin?
A'(5, 3), B'(3, -4), and C'(1, 1)
Determine which triangle congruence theorem, if any, can be used to prove the triangles are congruent.

none
Find
mangle2

68°
Write the equation in slope-intercept form of the line that is perpendicular to the graph of 7y + 4x = 3 and passes through the point (-4, -1).
y=7/4x+6
The vertices of triangle CDE are C(3, 4), D(2, -1), and E(0, -5). What are the coordinates of the vertices of the image after reflecting triangle CDE across the line y = x?
C'(4, 3), D'(-1, 2), and E'(-5, 0)
Quadrilateral JKLM has vertices P(-3, 4), Q(2, 1), R(3, -2), and S(-5, -4). What are the coordinates of the vertices of the image after a dilation with a scale factor of 50%?
P'(-1.5, 2), Q'(1, 0.5), R'(1.5, -1), and S'(-2.5, -2)
Given that
triangleABCcongtriangleDEF, mangleA=70°, mangleB=60°, mangleC=50°,
mangleD=(3x+10)°, mangleE=(y/3+20)°, and mangleF=(z^2+14)°,
find the values of x, y, and z.
x = 20, y = 120, z = 6
Find the values of x and y.

y = 12, x = 13
A line through (3, 5) and (k, 12) is perpendicular to a line through (0, 7) and (2, 10). Find the value of k that makes the above statement true.
k=-15/2=-7.5
The vertices of triangle CDE are C(1, 6), D(12, 2), and E(7, -8). What are the coordinates of the vertices of the image after reflecting triangle CDE across the line y = -x and translating triangle CDE using the vector <2, 3>?
C'(-4, 2), D'(0, -9), and E'(10, -4)
Triangle ABC has vertices A(-4, 4), B(-2, 6), and C(1, -1). What are the coordinates of the vertices of the image after a 90° counterclockwise rotation about the origin and a dilation with a scale factor of 50%?
A'(-2, -2), B'(-3, -1), C'(0.5, 0.5)
State how you know the triangles are congruent. Then find the values of x, y, and z.

ASA Congruence Theorem
x = 65°, y = 6, z = 146°