Solve the polynomial equation by using the root method.
-$$\frac { 1 } { 5 } x ^ { 4 } - 125 = 0$$
A) $5 , - 5$
B) $- 5$
C) 5
D) 5,0

Name: Solve the polynomial equation by using the root method. -\[\frac { 1 } { 5 } x ^ { 4 } - 125 = 0\] A) $5 , - 5$ B) $- 5$ C) 5 D) 5,0
Brand: Quizplus
Rating: 4.9 (32 reviews)

Question

Quizplus · Accepted Answer

The equation can be rewritten as $x^4 = 625$. Taking the fourth root of both sides gives $x = \pm 5$, hence both 5 and -5 are solutions.

Solve the Polynomial Equation by Using the Root Method 15x4−125=0\frac { 1 } { 5 } x ^ { 4 } - 125 = 051​x4−125=0

Solve the Polynomial Equation by Using the Root Method $\frac { 1 } { 5 } x ^ { 4 } - 125 = 0$