The model represents a polynomial of the form ax2 + bx + c.
2 answers:
Answer: The equation modeled is
3x2 – 4x + 1 = (3x – 1)(x – 1) . Much easier to understand with the symbols:
=
Step-by-step explanation:
x x .x -1
x x² x² x² -x
-1 -x -x- x +1
That is how I interpreted the "tile" set up.
Now count up the factors:
There are 3 x² . There are 4 -x and a +1
That's the third answer choice.
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Answer:
Sarah has to invest $502,958.58 today.
Step-by-step explanation:
This is a simple interest problem.
The simple interest formula is given by:
In which E is the amount of interest earned, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.
After t years, the total amount of money is:
In this question:
She has to invest P today.
So
Sarah has to invest $502,958.58 today.