19-20 idk but ik the others
21.)0.785
22.)0
23.)-14.5
24.)7.838
Answer:
x = 0, x = 0.5 or 1/2 The points on the graph are ( -1/2 or -0.5,0 ) and ( 1,0 )
Step-by-step explanation:
2x^2-x-1 = -1
2x^2-x = 0
x(2x-1) = 0
x=0
x=0.5 or 1/2
The correct answer is the correct answer... there is no question to be answered so there is no answer
X= 20
1.8x +12=48
48-12 = 36
36/1.8 = 20
