AnswersCommon Core Algebra II 2014 - MA3111 CRRadical Equations and Extraneous Roots — Cumulative examQuestion 82
82
QuizMultiple Choice
Radical Equations and Extraneous Roots — Cumulative exam
Question 82 • Common Core Algebra II 2014 - MA3111 CR
Which equation shows the quadratic formula used correctly to solve 5x2 + 3x – 4 = 0 for x?
Answer
A
x = StartFraction negative 3 plus-or-minus StartRoot (3) squared minus 4 (5) (negative 4) EndRoot Over 2 (5) EndFraction
B
x = StartFraction 3 plus-or-minus StartRoot (3) squared + 4 (5) (negative 4) EndRoot Over 2 (5) EndFraction
C
x = StartFraction 3 plus-or-minus StartRoot (3) squared minus 4 (5) (negative 4) EndRoot Over 2 (5) EndFraction
D
x = StartFraction negative 3 plus-or-minus StartRoot (3) squared + 4 (5) (negative 4) EndRoot Over 2 (5) EndFraction