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What is the standard form of a quadratic equation?
Aax cubed + bx + c = 0
Bax + bx squared = c
Cax squared + bx = cx
Dax squared + bx + c = 0
Answer & Solution
Correct answer: D. ax squared + bx + c = 0
1. A quadratic equation has a term in which the variable is raised to the second power.
2. In standard form every term is collected on one side and the other side is 0.
3. That gives ax squared plus bx plus c equal to 0, where a may not be 0.
_Source: OpenStax Intermediate Algebra (CC BY 4.0), section 9.3 Solve Quadratic Equations Using the Quadratic Formula_
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