Vocabulary
Week 1
Week 2
Week 3
Challenge
1
What is Unit Rate
Unit Rate is a comparison of two quantities when one of them has a value of 1
1
Tim and Sarah went out to dinner and ordered 2 meals for $23.50. How much was it per meal?
$11.75 per meal
1
Create a table with a constant of proportionality of 3
2->6
3 ->9
4->12
1
9.3 - (-3.1) - (4.1) - (-3.2)
11.5
1
Jerome measured his pulse for 15 seconds and recorded 16 beats of his heart. His pulse rate per minute is:
64 BPM
2
What is Constant of Proportionality
The constant ratio of one variable quantity to another to which it is proportional
2
9/10 = 18/?
18/20
2
Draw a graph that shows a proportional relationship
Any graph that has the line going through the origin at 0 and is straight.
2
- (6x+4) + 8x
Combine Like Terms
2x-4
2
Find Constant of Proportionality
2 -> 4/5
7 -> 14/5
12-> 23/5
There is none
0.4, 0.4, 0.38
3
What is Y- Intercept?
The point at which the line crosses the y axis. (When x=0)
3
Manuel bought a 24 pack of Mac and Cheese for $6. How much should 1 package of Mac and Cheese cost?
25 Cents
3
4 ->2.4
9->5.4
14->8.4
What is the constant of proportionality?
COP=0.6
3
-2.1 -x = - 1 1/2
What is X?
X=0.6
3
Draw a graph with a slope equation of Y=2x-3
4
What is + and - together?
+ + ?
- -?
- +?
-
+
+
-
4
You make $7.50 per hour at Burger King. How much money would you make in 3 years if you worked for 40 hrs a week, 52 weeks a year?
$46,800
4
What is the slope equation for this graph?
Y= 1/2x + 2
4
2y + 5 - (-4y) = 2y -5 + (-y)
Solve for Y
Y is -2
4
3.5 + (-.5) -4x + .5x= 6.5x - 2.25 + 4.75
Solve for X
X= 1/20 or .05