3
QuizMultiple Choice
Unit Test
Question 3 of 25 • DSD-CR-Secondary Math III-Term 2
What are the solutions of the equation (2x + 3)2 + 8(2x + 3) + 11 = 0? Use u substitution and the quadratic formula to solve.
Answer
A
x = StartFraction negative 4 plus-or-minus StartRoot 5 EndRoot Over 2 EndFraction
B
x = StartFraction negative 7 plus-or-minus StartRoot 5 EndRoot Over 2 EndFraction
C
x = –7 and x = –2D
x = –1 and x = 4