Multiple Choice Review

Front

What is percent change?

Back

Percent change is a measure of how much a quantity has increased or decreased relative to its original value, expressed as a percentage.

Front

How do you calculate percent change?

Back

Percent Change = ((New Value - Old Value) / Old Value) * 100

Front

What is the formula for the area of a circle?

Back

Area = π * r², where r is the radius of the circle.

Front

How do you find the radius from the diameter?

Back

Radius = Diameter / 2.

Front

What is the value of π (pi) used in calculations?

Back

π is approximately 3.14.

Front

What is a non-proportional relationship?

Back

A non-proportional relationship does not maintain a constant ratio between two variables and does not pass through the origin.

Front

What does it mean for a graph to go through the origin?

Back

A graph goes through the origin if the coordinates (0,0) are included in the graph, indicating a proportional relationship.

Front

What is an algebraic inequality?

Back

An algebraic inequality is a mathematical statement that compares two expressions using inequality symbols (>, <, ≥, ≤).

Front

How do you solve an inequality?

Back

To solve an inequality, isolate the variable on one side using inverse operations, similar to solving an equation.

Front

What is a 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.