Show:
Vocabulary
Constant Rate of Change
Slope
Solve Proportional Relationships
100
An equation stating that two ratios or rates are equivalent
What is a proportion
100
Find the constant rate of change: Months:| 4 | 5 | 6 | 7 | Length :| 8 | 10 | 12 | 14 |
What is 2
100
Find the slope if two points on the line are (1, 1.5) and (2, 3)
What is 1.5/1
100
x/3 = 8/12
What is x = 2
200
The product of the numerator of one ratio and the denominator of the other ratio
What is cross product
200
After 3 months, there is $150 in a bank account. After 6 months, there is $300 in the account. Find the constant rate of change.
What is $50 per month
200
Find the slope if two points on the line are (1, 20) and (2, 40)
What is 20/1
200
6/25 = d/30
What is d = 7.2
300
The rate of change in a linear relationship
What is constant rate of change
300
At 2pm, the level of the water was 10 feet. At 6pm, the level of the water was 2 feet. Find the constant rate of change.
What is -2 feet per hour
300
Find the slope if two points on the line are (3, 75) and (5, 125)
What is 25/1
300
For every 2 people who have the flu, there are 6 people who have only flu-like symptoms. If a doctor sees 40 patients, determine approximately how many patients you would expect to have only flu-like symptoms.
What is 30 patients
400
A rate the describes how one quantity changes in relation to another; usually expressed as unit rate
What is rate of change
400
Jaz was 43 inches tall. 18 months later, she was 52 inches tall. Find the constant rate of change.
What is 1/2 inch per month
400
Joshua swims 50 meters in two minutes. Find the value of the slope and interpret it in words
What is 25/1; this means he swims at a speed of 25 meters per minute
400
At an amusement park, 360 visitors rode the roller coaster in 3 hours. Write and solve a proportion to find the number of visitors who will ride the roller coaster in 7 hours.
What is 360/3 = n/7; 840 visitors
500
The rate of change between any two points on a line. The ratio of vertical change to horizontal change
What is slope
500
The temperature at noon was 88*F. By 4pm, the temperature was 72*F. Find the constant rate of change
What is -4*F per hour
500
Kaya is saving money at a rate of $30 per month. Eduardo is saving money at a rate of $35 per month. They both started saving at the same time. If you were to create a table of values and graph each function, what would be the slope of each graph?
What is Kaya 30/1; Eduardo 35/1
500
If something that weighs 120 pounds on Earth weighs 45.6 pounds on Mercury, how much would Kyle weigh on Earth if he weighs 55 pounds on Mercury?
What is 144.7 pounds