Use a graphing calculator to approximate the real zeros. Give each zero as a decimal to the nearest tenth.
-$$f ( x ) = x ^ { 3 } + x ^ { 2 } - 11 x - 11$$
A) $1,3.3 , - 3.3$
B) $1,5.5 , - 5.5$
C) $1,3.3 \mathrm { i } , - 3.3 \mathrm { i }$
D) $- 1,3.3 , - 3.3$

Question

Quizplus · Accepted Answer

The real zeros of the function $f(x) = x^3 + x^2 - 11x - 11$ are approximately $-1, 3.3, -3.3$ when rounded to the nearest tenth.

Use a Graphing Calculator to Approximate the Real Zeros f(x)=x3+x2−11x−11f ( x ) = x ^ { 3 } + x ^ { 2 } - 11 x - 11f(x)=x3+x2−11x−11

Use a Graphing Calculator to Approximate the Real Zeros $f ( x ) = x ^ { 3 } + x ^ { 2 } - 11 x - 11$