Exam

Digital SAT

Section

Difficulty

Digital SAT Mathematics - No Calculator Section

Finding Roots of a Cubic Equation

Hard Passport To Advanced Math Higher-order Equations

Solve the following equation for $x$:

$$2x^3 - 6x^2 + 2x - 8 = 0$$

Which of the following values of $x$ is a root of the equation?

A

$x = 1$

B

$x = 2$

C

$x = -1$

D

$x = 4$

Hint

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