3.1.6 Reflection & Practice (Pages 34-36)

Front

What is the cost of one cup of lemonade if two cups cost $3.60?

Back

One cup of lemonade costs $1.80.

Front

If 54,396 is multiplied by 5, what is the last digit of the product?

Back

The last digit of the product is 0.

Front

How can you determine who reads more books per day from a graph?

Back

The steeper the line on the graph, the more books are read per day.

Front

What does a steeper line in a graph indicate about the rate of reading?

Back

A steeper line indicates a higher rate of reading.

Front

If Randall reads 2 books per day and Sully reads 3 books per day, who will win a reading competition?

Back

Sully will win because he reads more books per day.

Front

What is the relationship between the slope of a line and the rate of change in a graph?

Back

The slope of a line represents the rate of change; a steeper slope indicates a greater rate of change.

Front

What does it mean if two lines on a graph are parallel?

Back

If two lines are parallel, it means they have the same slope and represent the same rate of change.

Front

How do you calculate the cost per item when given the total cost and quantity?

Back

Divide the total cost by the quantity of items.

Front

What is a proportional relationship in the context of graphs?

Back

A proportional relationship is when two quantities increase or decrease at the same rate, represented by a straight line through the origin.

Front

What is the significance of the y-intercept in a graph?

Back

The y-intercept is the point where the line crosses the y-axis, indicating the value of y when x is zero.