Question

Find the solutions to the equation (check all that apply) 20x2-26x+8=0.
a.x=1/5
b.x=1/2
c.x=4/5
d.x=2/3
e.x=1/3
f.x=3/5

Answer 1

Help please!

Answer 2

x=4/5 and x=1/2

Answer 3

Use quadratic formula.

Answer 4

20x^2-26x+8=0
20x^2-10x-16x+8=0 [20*8=160; 160=10*16; -10-16=-26 ]
10x(2x-1)-8(2x-1)=0
(10x-8)(2x-1)=0
x=1/2 and x=4/5 [ANS]