Thursday Bellwork 4/18/2024

Which two variables most likely represent a correlated relationship rather than solely being causation?

• The higher the volume on a radio, the louder the sound will be.

• The faster a student types a research paper, the more pages the paper will have.

• The shorter the distance driven, the less gasoline that will be used.

• The slower the pace of a runner, the longer it will take the runner to finish the race.

A customer purchases a total of 50 turkey burgers and veggie burgers for $90. Each turkey burger is $2 and each veggie burger is $1.50.

Which system of equation could be used to find the number of each type of burger, turkey and veggie?

Types of burgers purchased ​ (a)  

Amount spent on burgers ​ ​ (b)  

Mathematical Equivalence

ON

Four students describe the graph as a function.

Which student describes the function correctly?​ (a)  

• Student 1
• Student 2
• Student 3
• Student 4

Mathematical Equivalence

ON

• The decay rate is 0.95, which decreases 0.95% each year.

• The decay factor is 0.95 which decreases at a rate of 5% each year.

• The decay factor is 0.05 which decreases at a rate of 0.05% each year.

• The y-intercept of the function represents an initial number of grams of 0.95.

• The y-intercept of the function represents an initial number of grams of 40.