Answer:
(b^4+a^2/2)^2
Step-by-step explanation:
Answer:
Step-by-step explanation:
I find it hard to believe that you were asked to find the solution to a cubic by any other method than graphing it, which I have given below. Not only that, the numbers are very awkward.
The best you could do I think is equate the two equations after you have looked at the graph.
The x value must satisfy
0.5(x - 4) = 2x^3 - 2x - 3
0.5x - 2 = 2x^3 - 2x - 3
2x^3 + 0.5x - 2x - 3 +2 = 0
3x^3 - 1.5x - 1 = 0
from which you can get y
My calculator gives the solution as
x = 0.5
y = - 1.75
I have corrected the mistake I made doing this. The answer is now correct. The graph shows the original two equations which agrees with the combined equation given above.
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We can factor a polynomial by finding its roots. In particular, a quadratic equation has (at most) two roots , which would allow us to write the polynomial as
To find the solutions, we can use the quadratic formula
So, the two solutions are
And so we can factor the polynomial as follows:
$20, because when one person is supposed to pay at max. $5, and there are 4 people, 5*4= 20. The maximum cost of their pizza should be $20, so each person pays $5.