Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree: 4; zeros: -1, 2, and 1 - 2i.
A. f(x) = x4 - x3 + x2 + 9x - 10
B. f(x) = x4 - 3x3 + 5x2 - x - 10
C. f(x) = x4 - x3 + 3x2 - 5x - 10
D. f(x) = x4 - 3x3 - 3x2 + 7x + 6
Answer: B
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Give the genus of the object. If the object has a genus larger than 5, write "larger than 5."A house key
A. genus 3 B. genus 2 C. larger than 5 D. genus 4
Tell if the square root is rational, irrational, or not a real number. If the square root is rational, find the exact value; if the square root is irrational, write the approximate value rounded to two decimal places.
A. rational; 11
B. rational; 
C. not a real number
D. irrational; 
Round the decimal to the given place value.-0.0235, nearest thousandth
A. -0.02 B. 0 C. -0.023 D. -0.0235
Factor the trinomial containing two variables. If the polynomial is prime, so state.x2 + 3xy - 208y2
A. (x + 16y)(x - 13y) B. (x - 16y)(x + 13y) C. (x - y)(x + 13y) D. (x - 16y)(x + y)