Missing Angles
(See image) What are the angle measures of X and Y?
X = 50
Y = 130
An angle measures 90 degrees. What type of angle is it?
Right angle
Simplify:
7e + 9e + 3e
19e
If x=2 and y=3, simplify the expression:
6x - 2y
6(2) - 2(3)
12 - 6
6
Is the following an equation or an expression?
14x - 7y + 5z
Expression
(See image) What are the angle measures of A, B, and C?
A = 133 degrees
B = 47 degrees
C = 133 degrees
An angle measures 70 degrees. What type of angle is it?
Acute angle
Simplify:
8n + 10j - 3n + 6j
5n + 16j
If a = 10 and b = 5, simplify the expression:
8b - b + 3a
7b + 3a
7(5) + 3(10)
35 + 30
65
In the following expression, what is the coefficient?
7x - 13
7
(See image) What is the angle measure of T?
71 degrees
An angle measures 175 degrees. What type of angle is it?
Obtuse angle
Simplify:
19a - 5b - 20a + 4b + 20c
- a - b + 20c
If c = 8 and d = 9, simplify the expression:
5c - 3d + 4c - 2d
9c - 5d
9(8) - 5(9)
72 - 45
27
In the following expression, what is the variable?
15 - 9f
f
(See image) What is the angle measure of A?
93 degrees
(See image) What type of angle does this pair of angles create?
Supplementary angle
Simplify:
-18x + 7y - x + 10y - x + 9y
-20x + 26y
If e = 20 and f = 50, simplify the expression:
6f + 2e
6(50) + 2(20)
300 + 40
340
In the following expression, what is the constant?
-17 + 11t
-17
(See image) What are the angle measures of X, Y, and Z?
X = 41 degrees
Y = 90 degrees
Z = 41 degrees
(See image) These angles are right next to each other. What type of angle pair are they?
Adjacent angles
Simplify:
4xy + 6ab - 7xy + 14ab
-3xy + 20ab
If g = 163 and h = 37, simplify the expression:
2g + g - 2g - h + 3h - 2h
g
163
Are these two terms like or unlike?
13j and 13k
Unlike