Show:
Definitions
Proportions
Direct Variation
Word Problems
Potpourri
100
A comparison of two numbers that can be written as a fraction, with a colon, or the word "to".
What is a ratio?
100
Solve for the unknown variable x/16 = 12/48
What is x = 4?
100
Does the equation show a direct variation? If not, explain why? y = (1/4)x
What is yes.
100
Beyonce has visited 6 cities in 9 days on her US Tour. At this rate, how many cities will she visit in 27 days?
What is 18 cities?
100
What is the value of x when a graph intercepts the y-axis?
What is x = 0?
200
A comparison of two ratios denoted with an equal sign.
What is a proportion?
200
Solve for the unknown variable 10/25 = 1/x
What is x = 2.5?
200
Does this equation show a direct variation? If not, explain why? y = 3.5x - 3
What is no because b doesnt equal 0.
200
A can of spray costs $3.99 for 5 ounces. Another brand costs $5.99 for 7 ounces. Which can is the better buy?
What is $5.99 for 7 ounces?
200
Create a function table with three x values for the equation y=(x/4)
What is *see table*
300
A ratio with a specific denominator of 1.
What is a unit rate?
300
Solve for the unknown variable 16/33 = 64/x
What is x = 132?
300
Does the equation show a direct variation? If not, please explain why. .2y = .6x
What is yes
300
A six-pack of Coke costs $2.09. At this rate, how much should 32 cans cost?
What is $11.15?
300
What is the name of Drake's best selling album to date?
What is "Nothing was the Same"
400
What are the two qualities that satisfy a direct variation?
1. Must be linear/proportional 2. Must pass through the origin (0,0)
400
Tell whether the ratios form a proportion. 14/22 = 16/25
What is no
400
Does the equation show a direct variation? If not please explain why. y = 1/x
What is no because it is not a linear relationship.
400
The Lakers have won 27 games and lost 17 games. At this rate, how many games should they win, in an 82 game season?
What is 50?
400
What is the combined record of the Greenbelt Bears Baseball and Softball teams?
What is 4-0?
500
Identify all the parts of a linear equation.
y = dependent variable m = slope/unit rate/constant of proportionality x = independent variable b = y-intercept
500
Tell whether the ratios form a proportion. 13/25 = 104/200
What is yes
500
Does the equation show a direct variation? If not, please explain why. 2y = x/6
What is yes.
500
Kareem Abdul-Jabbar holds the NBA record for the most points scored in a career, 38,387. In the first 280 games of his career, LeBron James has scored 7446 points. At this rate, how many more games will LeBron James need to play to break Abdul-Jabbar’s career record?
What is 1,443 games?
500
You are driving to the beach. You notice you are going 75 miles per hour. Calculate how fast you are going in feet per minute.
What is 6600 ft/min?