75519
Descripción
Fichas por Ellen Billingham, actualizado hace más de 1 año
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Creado por Ellen Billingham
hace más de 11 años
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| Pregunta | Respuesta |
| What is a variable? | Something in an equation that can change its value (eg y or n etc) |
| What is a coefficient? | The number (and its sign) before a variable. (eg in 4y, the coefficient is +4) |
| What is a constant? | A number that stays the same (eg in 4y+7, 7 is the constant) |
| What is a term? | A number or variable or a combination of the two (with their signs) in an expression (eg +4y or +7) |
| What is an expression? | A collection of terms (doesn't have an equals sign) |
| What is an equation? | At least two expressions, with an equals sign. |
| What is a substitution? | When you substitute a number for a letter in the alphabet. |
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