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1.Evaluate the expression b^2 – 4ac given the following values, a=1, b=5, and c=4
(1 Point)



2.Evaluate the expression b^2 – 4ac given the following values, a= 2, b=1, and c= -21
(1 Point)



3.Evaluate the expression b^2 – 4ac given the following values, a=4,b=4 and c=1
(1 Point)



4.Evaluate the expression b^2 – 4ac given the following values, a=1, b= -2 and c=-2
(1 Point)



5.Evaluate the expression b^2 – 4ac given the following values, a= 9, b=0 and c=16
(1 Point)



6.Evaluate the expression b^2 – 4ac given the following values, a=2, b=5 and c=-4
(1 Point)



7.Evaluate the expression b^2 – 4ac given the following values, a= 3, b=4 and c=7
(1 Point)



8.Evaluate the expression b^2 – 4ac given the following values, a=5, b=-2 and c=8
(1 Point)



9.Evaluate the expression b^2 – 4ac given the following values, a= 1, b=2, and c=-6
(1 Point)



10.Evaluate the expression b^2 – 4ac given the following values, a=6, b=7, and c=-5
(1 Point)