Find all positive and negative integers b such that the trinomial is factorable.
-$$x ^ { 2 } + b x - 13$$
A) 14
B) $\pm 12$
C) 12
D) $\pm 14$

Name: Find all positive and negative integers b such that the trinomial is factorable. -\[x ^ { 2 } + b x - 13\] A) 14 B) $\pm 12$ C) 12 D) $\pm 14$
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Question

Quizplus · Accepted Answer

The trinomial is factorable if there exist integers p and q such that pq = -13 and p + q = b. The pairs (1, -13) and (-1, 13) satisfy this, giving b = 12 and b = -12.

Find All Positive and Negative Integers B Such That the Trinomial