Find which of the following trinomials is not factorable using integers. Match the trinomials to factorable and not factorable .
-factorable
A) $t ^ { 2 } + 12 t + 24$
B) $x ^ { 2 } - 10 x + 21$

Question

Find which of the following trinomials is not factorable using integers. Match the trinomials to factorable and not factorable .
-factorable
A) $t ^ { 2 } + 12 t + 24$ 
B) $x ^ { 2 } - 10 x + 21$

Quizplus · Accepted Answer

The trinomial $x^2-10x+21$ is not factorable using integers because the only possible factor pairs of 21 are 1 and 21, and 3 and 7. However, neither of these pairs can be combined to give -10 for the middle term. On the other hand, $t^2+12t+24$ factors as $(t+6)(t+4)$ using integers.

Find Which of the Following Trinomials Is Not Factorable Using t2+12t+24t ^ { 2 } + 12 t + 24t2+12t+24

Find Which of the Following Trinomials Is Not Factorable Using $t ^ { 2 } + 12 t + 24$