
How many pairs of vertical angles are there?
Which pairs are vertical angles?
<1, <3
<2, <4
<5, <7
<6, <8
-1 < 5Z + 10
Z > -2 1/5
Apollo wants to read at least 73 pages each day of the week. On Thursday, he reads 13 pages before dinner. What is the inequality that represents how many pages Apollo still has left to read after dinner?
Z + 13 > 73
Relates each element of a set with exactly one element of another set
What is a function?
A symbol (usually a letter) that represents an unknown quantity
What is a variable?
Two or more angles whose angle measures add up to 90*.
Complementary Angles
3.77+1.9
What is 5.67?
If <4 = 67, what is <5?
<113
-1 - X < -4
X > 3
The minimum grade that Pocahontas must earn on her tests is 85. If she scored 78 and 95 on the first two tests, what must she score on the third test?
What can go into a function; x
What is the domain
The number in front of a letter
What is a coefficient?
Two or more angles whose angle measures add up to 180*.
Supplementary Angles
6.32-9.82
What is -3.5?

If <7 is 2y + 7 and <1 is 115, what is y?
y = 54
-2.2m + 5.1 > -28
m < 15.05
Write and solve an inequality. Use J for your variable.
3 times a number increased by 26 is at most 70.
3J + 26 < 70
J <
14 2/3
What comes out of a function; y
What is the range
Two of these make up an equation
What is an expression?
These angles are on opposite sides of a transversal that crosses parallel lines and are outside the other two lines. They have congruent angle measures.
Alternate Interior Angles
-4/8 * (5/6)
What is
-5/12
If <2 is 114, what is <5; why?
<5 = 66
Ex: <2 & <6 are corresponding, <5 & <6 are supplementary
-5 < 7k - 0.56
k > -0.63
Taxi Service: $3.00 flat rate plus $1.00 per mile.
Sebastian has less than $26 and wants to know if he has enough money to get to the park which is 15 miles away. Create & solve the inequality.
3 + M < 26
Yes.
Test used to determine if a graph is a function.
What is the Vertical Line Test
A value that does not change
What is a constant?
These angles are on opposite sides of a transversal that crosses parallel lines and are between the other two lines. They have congruent angle measures.
Alternate Exterior Angles
-2/3 / 4/6
What is -1

<3 = 2x + 17 and <6 = 78 + 3x.
What is the measure of angle 3?
3-2/3W > -25
42 > W; W < 42
Lancelot needs to save a minimum of $499 by the end of summer. He already owes his dad $37 and must pay him back before he can start saving. If he has 9 weeks to save, what is the inequality to show how much he must save each week? What is the amount?
9J - 37 > 499
J > $59.56
Is this a function? Why?
Yes; for every one input, there is one and only one output.
A mathematical sentence that shows that two expressions are equal
What is an equation?
These angles are on the same side of the transversal are between the other two lines. They are supplementary angles. Also called consecutive interior angles.
Same-Side Interior Angles
-7/10 + 11/12
What is
13/60

If <4 is 67 and <7 = 3x + 14, what is <7?
x = 33
<7 = 113
-2/7 - 3/8Z >= -49
129 19/21 >= Z
Aurora received a paycheck for babysitting. She deposited 3/7 of the amount into her account and also deposited a personal check for $22. She deposited at least $140. Create and solve an inequality to find the amount of Aurora's paycheck.
3/7x + 22 >= 140
x > $275.33
What is the domain? Range?

Input: D:(1,2,3,4,5)
Output: R(15,30,45,60,75)
Operations that undo each other; addition and subtraction / multiplication and division
What are inverse operations?
A line that crosses (intersects) two or more lines.
Transversal
23/50 - (-2/3)-1/4
What is
263/300

If <5 = 4m + 23 and <2 = 6m + 32, what is <1?
m = 12.5
<1 = 73
-4-5/8M >=43
-75 1/5 >= M
The swim team is selling raffle tickets for a fundraiser. They need to earn at least $932 in ticket sales to cover the cost of a new diving board. Create and solve an inequality.
Method of selling - # of Tickets Sold - Cost ($)
In person - 83 - 3
Online - M - 3
932 < 83(3) + 3M
M > 228
What graph can represent the situation; why?
D; moving slower going uphill, faster going downhill
Either a single number or a variable, or numbers and variables multiplied together
Term
Each of the pairs of opposite angles made by two intersecting lines. They have the same angle measure.
Vertical Angles
What is Christmas vacation?