Algebra 1 Team Decathlon -- Final Event

Front

What is the expected tip for a meal costing $10.50 if the tip rate is 12.86%?

Back

$1.35

Front

If John Boy bought 4 pizzas for $16 and Bill bought 7 pizzas for $28, what is the cost per pizza?

Back

$4.00 per pizza

Front

What does it mean for a relationship to vary directly?

Back

A relationship varies directly when one quantity increases, the other quantity also increases at a constant rate.

Front

If 'z' represents the number of pizzas and 'c' represents the cost, what is the equation representing the direct variation?

Back

c = 4z

Front

How do you determine the height of a tree at a specific age from a graph?

Back

Locate the age on the x-axis and find the corresponding height on the y-axis.

Front

What is the height of the maple tree when it was 7 years old?

Back

70 inches

Front

What is a quadratic model?

Back

A quadratic model is a mathematical representation of a relationship that can be expressed in the form of a quadratic equation, typically y = ax^2 + bx + c.

Front

Using a quadratic model, how do you find the height of an object at a certain distance?

Back

Substitute the distance into the quadratic equation and solve for height.

Front

What is the approximate height of a ball when it traveled a distance of 18 feet if the model predicts 4 ft?

Back

4 ft.

Front

What is the formula for calculating the tip based on the meal cost?

Back

Tip = Meal Cost x Tip Rate.