Whether black plus white equals biracial or multiracial is a matter of personal identification and societal definition. Biracial refers to individuals who have biological parents of two different races, while multiracial refers to individuals who have biological parents of three or more races. Both terms are used to describe individuals of mixed racial heritage.

The use of the term biracial or multiracial can vary depending on the individual's preference, the societal context, and the specific racial or ethnic groups involved. In some cases, individuals may identify as biracial or multiracial to acknowledge their mixed heritage and to embrace the diversity of their background. In other cases, individuals may prefer to identify with one specific racial or ethnic group based on their personal experiences, cultural affiliations, or social context.

It's important to recognize that racial and ethnic identities are fluid and self-defined, and individuals may choose to identify in a way that feels most accurate and meaningful to them. Societal definitions and labels may not always align with individual self-identification, and it's respectful to use the terms that individuals prefer to describe their own racial or ethnic background.