Question #19760 Precalculus Polynomial Functions of Higher Degree Zeros 1 Answer t0hierry Dec 7, 2016 #1 pm 4i# Explanation: The determinant is #4 - 68# which is negative No roots, Except complex ones. #x = (2 pm 8i)/2 = 1 pm 4i# Answer link Related questions What is a zero of a function? How do I find the real zeros of a function? How do I find the real zeros of a function on a calculator? What do the zeros of a function represent? What are the zeros of #f(x) = 5x^7 − x + 216#? What are the zeros of #f(x)= −4x^5 + 3#? How many times does #f(x)= 6x^11 - 3x^5 + 2# intersect the x-axis? What are the real zeros of #f(x) = 3x^6 + 1#? How do you find the roots for #4x^4-26x^3+50x^2-52x+84=0#? What are the intercepts for the graphs of the equation #y=(x^2-49)/(7x^4)#? See all questions in Zeros Impact of this question 1438 views around the world You can reuse this answer Creative Commons License