Whatever we do to one side of an equation, we must_____________
90
4+x=10
x=6
What kind of angle is this?
Vertical
Which angles are the same?
2,5 / 1,6 / 3,8 / 7,4
How do you undo multiplication?
Division
How many degrees is a straight line?
180
-5+x=15
x=20
What is the measure of angle y?
76 degrees
Which angles are same side exterior angles?
1 and 5 / 4 and 8
What is the first thing we would do in the following equation?
2x+4x+1=19
A) Subtract 4 from both sides
B) Divide 2 and 4
C) Add 1 to 19
D) Combine like terms (2x+4x)
D) Combine like terms (2x+4x)
360
4x=40
x=10
What must you subtract 76 from to find angle z or x?
180 degrees
Which angles are same side interior angles?
2 and 6 / 3 and 7
What is the equation we would write to solve for x?
8x=2x+72
What is an angle called that is less than 90 degrees?
Acute
1+2x=5
x=2
What is the measure of angle z?
104 degrees
Which angles are alternate interior angles? Which angles are alternate exterior angles?
Alternate interior - 2 and 7 / 3 and 6
Alternate Exterior - 4 and 5 / 1 and 8
Solve for x
x=12
What is the line called that runs through two parallel lines?
Transversal
2x+5x+1=15
x=2
What is the measure of the missing angle?
125 degrees
Which angles equal 180 degrees when added together? (there are 8 combinations in total)
1 and 5 / 5 and 6 / 1 and 2 / 1 and 5 / 3 and 4 / 3 and 7 / 7 and 8 / 8 and 4