Question

b^2 – 4ac if a = 2, b = 9, and c = 4

Answer 1

Answer:

49

Step-by-step explanation:

$(b)^{2} - 4(a)(c) \\(9)^{2} - 4(2)(4) \\81 - 4(2)(4) \\81 - 32 \\49$