Review Flashcard 1

Front

What is the equation to calculate the total cost (y) of x cupcakes if each cupcake costs $2.75?

Back

y = 2.75x

Front

What is the solution for the equation represented by the model if x = 4?

Back

x = 4

Front

If the height of a scale model is 2 feet and the actual height of the White House is 70 feet, what is the length of the scale model if the actual length is 168 feet?

Back

4.8 ft

Front

What is the formula to calculate the circumference of a circle?

Back

Circumference = π × diameter

Front

What is the circumference of a circular fountain with a diameter of 14 feet?

Back

43.98 ft

Front

If David rode his bicycle for 6 hours and jogged for 8 hours in 2 weeks, how many hours will he ride and jog in 24 weeks?

Back

168 hours

Front

What is the relationship between the number of items (x) and total cost (y) in a linear equation?

Back

y = mx + b, where m is the cost per item and b is the fixed cost.

Front

Define scale drawing.

Back

A scale drawing is a representation of an object with accurate proportions reduced or enlarged by a certain factor.

Front

What is the concept of unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per one unit.

Front

How do you find the total cost of multiple items?

Back

Multiply the cost per item by the number of items.