Use the Quadratic Formula to Solve to 3 s.f.

Question 1:

x25x8=0
x=6.27 or -1.27

Question 2:

x2+13x10=0
x=0.728 or -13.7

Question 3:

x2+11x+2=0
x=-0.185 or -10.8

Question 4:

5 x2+9x10=0
x=0.776 or -2.58

Question 5:

3 x28x+1=0
x=2.54 or 0.131

Question 6:

2 x2+4x3=0
x=0.581 or -2.58