Just do your work and pay attention in class!!!!
It’s A
1213 divided by 9 is equal to 134.777778
So it is 134 R7
But if it’s rounded to the nearest then it is C.
We can solve this problem using discriminant.
x^2-4x-12's discriminant is
(-4)^2-4*-12=16+48 which is clearly larger than 0
This means that it crosses over the axes 2 times.
In case you don't know what discriminant is, its in equation ax^2+bx+c
the discriminant is b^2-4ac.
If its positive it has 2 crosses with x axis, if negative then 0 crosses, if 0 then 1 cross.
Hope this helped at least a little bit :D
Answer:
Im pretty sure that the answer would be choice f.
Step-by-step explanation:
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