When the equation is ax+b which is y =ax+b
Answer:
true!
Step-by-step explanation:
this is more of a statement then a question.
Δ = 1 + 4*20 = 81
x' = (-1 + 9)/2 = 4
x'' = (-1 - 9)/2 = -5
4² + 4 - 20 = 0
(-5)² - 5 - 20 = 0
Ok !
D is the correct answer to the equation.