Proportional Relationships
Solving Equations
Creating Equations
Vocabulary
Random
100
What is the name of the constant ratio between 2 proportional quantities
Constant of proportionality
100
This is the value of x in the equation: 4x = 28
7
100
Write an equation that represents this statement
A number "n" increased by 9 equals 20
n+9=20
100
As X increases by 1 Y increases by what
Slope
100
The sum of the interior angles in a triangle
180
200
Is this relationship proportional?
Yes
200
What is the solution for
x/5=6
30
200
Sarah earns $12 per hour babysitting. Write an equation that represents her total earnings (e) for working (h) hours.
e=12h
200
In y= mx +b what does b represent, this can also be seen as the "starting point" for a relationship
The y intercept
200
What is the branch of mathematics that deals with variables and solving for unknown values
Algebra
300
Is this graph proportional
no
300
To solve the equation
3x-5=16.
You would add 5 to both sides and then do what?
Divide both sides by 3
300
A gym charges a one-time joining fee of $50 plus $30 per month (m). Write an equation for the total cost (C).
C=30m +50
300
The point (0,0) on the Graph
The origin point
300
The number in front of a variable is called?
The coefficient
400
what value can be put in the missing box to make this graph proportional
10
400
A dance studio charges a $60 flat rate to attend and $5 per class.
If you go to 7 classes how much money will you pay
$95
400
You are tracking the temperature of a cooling cup of coffee, which drops by 3 degrees every minute (m). It starts at 160 degrees, write an equation for the temperature (T).
T=-3m+160
400
A relationship that starts at (0,0) and has a ratio that stays constant is?
Proportional
400
2+7*6
44
500
y=15x+K
What value of K would make this relationship proportional
0
500
Verizon charges a one time fee of $60 to set up internet and charges $15/month
Xfinity has no set up fee but charges $25/month
How many months would it take for Verizon to be a better deal than xfinity
6
500
A submarine is 1000 meters below sea level and is descending at a rate of 50 meters per minute (M). Write an equation that represents the Depth (D)
D=-50m-1000
500
A relationship between 2 variables where a change in one variable results in a constant change of the other, regardless of if the relationship is proportional
A linear relationship
500
((18+7) * (10-6))/100
1