Desmos Tricks

Polynomial Roots

Find factors of cubic polynomials instantly.

📝 SAT Problem

\[ x^3 - 4x^2 + x + 6 = 0 \]

One of the solutions to the given equation can be written as \(x\). Which of the following is a possible value for \(x\)?

(A) -1
(B) 0
(C) 1
(D) 4

Step 1: Graph the Polynomial

Type the equation exactly as given.

y = x^3 - 4x^2 + x + 6

Step 2: Click the x-intercepts

The roots are the points where the graph crosses the x-axis.

Desmos Polynomial Roots Solution

Desmos shows roots at x = -1, 2, and 3.

Final Answer:

-1 (Answer choice A)