Module 6 Polynomial the question is in the picture. Alana completed a problem where she had to find the sum of the polynomials (
3x^2+8x-4) and (-8x^3-3x+4). Her answer is 0. Complete the explanation and correct her mistake. When graphed, how many times does the sum change directions??
A rectangular plot of land has a length of (2x^2+5x-20) and a width of (3x+4). What is the polynomial representing the area of the plot of land? Explain how you got your answer. Below.
A rectangular plot of land has a length of (2x^2+5x-20) and a width of (3x+4). What is the polynomial representing the area of the plot of land? Explain how you got your answer. Below.
1 answer:
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Answer: The answer is x = +/- .
Step-by-step explanation: You can solve this by simply rearranging the equation to make x by itself.
- = -y - 1
Then cancel out the -1 by dividing it through to obtain.
The final step is to square root both sides to get rid of the exponent.
x =
This should be the answer since square roots have a +/-.