Question

se p(x)=2x o quadrado -5x+2 caucule p(0,5)

Answer 1

p(x)=2x^2-5x+2
a=2. b=-5. c=2
delta=b^2-4ac
felta=(-5)^2-4(2)(2)
delta=25-8(3)
delta=25-24
delta=1

x=-b+,-\/delta/2a
x=-(-5)+,-\/1/2(2)
x=5+,-1/4
x1=5+1/4》x1=6/4(÷2)》x1=3/2
x2=5-1/4》x2=4/4》x2=1