Unit 5 Summative Review 1

Front

What is a function in mathematics?

Back

A function is a relation where each input (x-value) has exactly one output (y-value).

Front

How can you determine if a relation is a function?

Back

You can determine if a relation is a function by checking if any x-value is paired with more than one y-value. If it is, then it is not a function.

Front

What does it mean for two skaters to be at the same distance in a race?

Back

It means that both skaters have covered the same amount of distance from the starting point at a specific time.

Front

If Carter receives $13.50 for every 5 boxes of chocolate sold, how much does he earn per box?

Back

Carter earns $2.70 per box of chocolate.

Front

What is the significance of the x-value in a function?

Back

The x-value represents the input of the function, which is used to determine the corresponding y-value (output).

Front

What does it mean for a graph to represent a relationship?

Back

A graph visually shows how two variables are related to each other, indicating how one variable changes in relation to another.

Front

What is the formula to find the total earnings from selling boxes of chocolate?

Back

Total Earnings = (Number of Boxes Sold / 5) * $13.50.

Front

How do you find the point where two lines on a graph intersect?

Back

You find the intersection point by solving the equations of the two lines simultaneously.

Front

What is the relationship between distance and time in a race?

Back

Distance is often directly proportional to time, depending on the speed of the racers.

Front

What does it mean if a graph is linear?

Back

A linear graph represents a constant rate of change, showing a straight line when plotted.