19
QuizMultiple Choice
Unit 2 Test — Unit test
Question 19 • LUSD-Int Math 2(A) LT2 Rational and Irrational Numbers (A-G)
Using the quadratic formula to solve 4x2 – 3x + 9 = 2x + 1, what are the values of x?
Answer
A
StartRoot 1 plus-or-minus StartRoot 159 EndRoot i Over 8 EndFraction
B
StartRoot 5 plus-or-minus StartRoot 153 EndRoot i Over 8 EndFraction
C
StartRoot 5 plus-or-minus StartRoot 103 EndRoot i Over 8 EndFraction
D
StartRoot 1 plus-or-minus StartRoot 153 EndRoot Over 8 EndFraction