A/b = c for b Algebra 1
1 answer:
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When dividing polynomial f(x) by linear polynomial x-a, the remainder is equal to f(a).
In your case a=5. Find f(a)=f(5):
Answer: correct choice is C.
There is actually a cool trick to this. When you see a and 2a, in this case 6 and 12, then the small triangle is a 60-30-90 triangle. The remaining side is 
.
This value rounds down to 10, and yep, you guessed it, another 30-60-90.
This time, x =
.
This is a very difficult problem and requires knowledge of the special triangles. Hope this helps!
This value rounds down to 10, and yep, you guessed it, another 30-60-90.
This time, x =
This is a very difficult problem and requires knowledge of the special triangles. Hope this helps!