Final answer:
The correct Spanish phrase for 'a red pencil' is 'un lápiz rojo.' Adjectives in Spanish agree in gender and number with the nouns they modify.
Explanation:
The correct phrase is: un lápiz rojo.
In Spanish, the term for 'a red pencil' is 'un lápiz rojo.' The adjective 'rojo' agrees in gender and number with the masculine singular noun 'lápiz.'
For example, 'un lápiz blanco' means 'a white pencil,' where 'blanco' is also adjusted to match the noun.
Learn more about Spanish vocabulary and grammar here:
https://brainly.com/question/34140996
