SOLUTION: 12x2 + 23x + 10 = 0 A. 5/4, 2/3 B. -5/12, -1/5 C. -5/4, -2/3 D. 5/4, -2/3
-> SOLUTION: 12x2 + 23x + 10 = 0 A. 5/4, 2/3 B. -5/12, -1/5 C. -5/4, -2/3 D. 5/4, -2/3
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12x2 + 23x + 10 = 0
A. 5/4, 2/3 B. -5/12, -1/5 C. -5/4, -2/3 D. 5/4, -2/3
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use quadratic formula
SOLVE quadratic equation with variable
(in our case
) has the following solutons:
For these solutions to exist, the
should not be a negative number.
First, we need to compute the discriminant
Discriminant d=49 is greater than zero. That means that there are two solutions:
can be factored:
Again, the answer is: -0.666666666666667, -1.25. Here's your graph: