Iniciar sesión

Mathematics for IGCSE & O level - Algebraic Manipulation (Section 5 - No. 40)

If a = -1, what is the value of a^2 + 2a?

-3

-1

1

3

Explicación

(-1)^2 + 2(-1) = 1 - 2 = -1

Comentarios (0)

Anuncio