Definitions
Two angles whose measures sum to 90°.
What are complementary angles?
What is 4+13?
17
What is (-2)(-5)?
10
Simplify the expression:
4x+6+2x-3
6x+3
These angles measure less than 90°.
What are acute angles?
A number that is constantly the same is said to be a …?
What is a constant?
What is 18+(-17)?
1
What is (7)(-9)?
-63
Simplify the expression:
4(x+6)
4x+24
These lines will never intersect.
What are parallel lines?
A letter that represents an unknown number, in some cases it may represent more than one number is called this.
What is a variable?
What is -1+1?
0
What is 36/-9?
-4
Simplify the expression:
17x-9-2x+3
15x-6
These angles are across from each other and congruent.
What are vertical angles?
Things that are the same are said to be this.
What is congruent?
What is -100+(-100)?
-200
What is (-8)(-8)?
64
Simplify the expression:
-7n-7-8+10n
3n-15
These angles measure more than 90° and less than 180°.
Two angles whose measures sum to 180°.
What are supplementary angles?
What is 25+(-15)?
10
What is -50/2?
-25
Simplify the expression:
8(1+6p)
8+48p
Finish the lyrics: "lines and angles, angles and lines..."
"get your groove on..."