Use a graphing calculator to approximate the real zeros. Give each zero as a decimal to the nearest tenth.
-$f ( x ) = x ^ { 3 } + 2 x ^ { 2 } - 11 x - 22$
A) $2,3.2 , - 3.2$
B) $- 2,3.3 , - 3.3$
C) $2,3.3 , - 3.3$
D) $- 2,3.4 , - 3.4$

Question

Quizplus · Accepted Answer

The real zeros of the function $f(x) = x^3 + 2x^2 - 11x - 22$ are approximately -2, 3.3, and -3.3 when calculated using a graphing calculator.

Use a Graphing Calculator to Approximate the Real Zeros f(x)=x3+2x2−11x−22f ( x ) = x ^ { 3 } + 2 x ^ { 2 } - 11 x - 22f(x)=x3+2x2−11x−22

Use a Graphing Calculator to Approximate the Real Zeros $f ( x ) = x ^ { 3 } + 2 x ^ { 2 } - 11 x - 22$