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20 votes
20 votes
X2 +kx+12
What are two numbers that k could be so that each expression could be factored??

User Macou
by
3.0k points

1 Answer

19 votes
19 votes

Answer:

K could be 7 or 8

Explanation:

If K was to be 7, the equation would be x^2 + 7x + 12 = (x+3)(x+4)

If K was to be 8, the equation would be x^2 + 8x + 12 = (x + 2)(x + 6)

User GraphicsMuncher
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2.3k points