Answer:13
Step-by-step explanation:
<h3>
Answer:</h3>
y = x⁴ +4x³ +4x² +4x +3
<h3>
Step-by-step explanation:</h3>
The coefficients of the offered quartics (in order) have 1, 1, 1, and 0 sign changes, respectively. Descartes' rule of signs tells you this means the first three choices all have one (1) positive real root, so the negative real roots -1 and -3 are not the only ones.
The only possible polynomial is the last one. Synthetic division of that polynomial by roots -1 and -3 leave the remaining factor as x²+1, which has only complex zeros.
The appropriate choice is ...
... y = x⁴ +4x³ +4x² +4x +3
Answer:
180
Step-by-step explanation:
A negative by negative is positive. So, you can pretend that the numbers are 6 and 30. Product means the answer for multiplication. In this case, product of 6 and 30 is 180. The product of -6 and -30 is 180.
Therefore, the answer is 180.
Answer:
(2,1)
Step-by-step explanation:
x=4×1/2=2
y=2×1/2=1