Analyzing the Sum of a Negative and Positive Real Number

Medium Number And Operations Real Numbers

Consider the real number line where the left side represents negative values and the right side represents positive values.

If $a$ and $b$ are two real numbers such that $a < 0$ and $b > 0$, what can we say about the expression $a + b$?

Select the correct statement regarding the value of the sum $a + b$.

$a + b$ is always negative.

$a + b$ can be either negative or positive depending on the values of $a$ and $b$.

$a + b$ is always zero.

$a + b$ is always positive.

$a + b$ is undefined.

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