B. Solve.
4. Determine if x – 3 is a factor of ܲthe where P(x) = x
4 – 3x
3 – x + 3.
5. Determine if x – 1 is a factor of ܲthe where P(x) = x
25 – 4.
6. Find k so that x – 2 is a factor of P(x) = x
3 – kx
2 – 4x + 20.
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Answer:
4. P(-3)=32
5. P(-1)=21
(I hope it helps)
Step-by-step explanation:
4. P(x) = x⁴ - 3x³ - x + 8
P(-3) = (-3)² - 3(-3)³ - (-3) + 8
P(-3) = -6 - 27 + 11
P(-3) = 21 + 11
P(-3) = 32
5. P(x) = x^25 - 4
P(-1) = (-1)^25 - 4
P(-1) = -25 - 4
P(-1) = -21