Answer
False
Work Step by Step
In a quadratic equation, the highest power of a variable is 2. Since the highest power of a variable in the equation $2x^{2}+x^{3}-x+4=0$ is 3, this equation is not a quadratic equation.
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
Published by
Cengage Learning
ISBN 10:
1285194055
ISBN 13:
978-1-28519-405-9
Chapter 10 - Quadratic Equations - 10.1 - Quadratic Equations - Concept Quiz 10.1 - Page 442: 5
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