Lori is solving the equation 4x2 + 5x – 6 = 0 using the quadratic formula. Which expression shows the correct numbers substituted into the quadratic formula to solve?
Question 2 options:
−5±(5)2−4(4)(−6)√2
−5±(5)2−4√2(4)
−5±5−4(4)(−6)√2(4)
−5±(5)2−4(4)(−6)√2(4)
