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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)
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Answer:
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Step-by-step explanation:
1.) = (5)²-4(1)(4)
= 25-16
= 9
2.) = (1)²-4(2)(-21)
= 1-(-168)
= 169
3.) = (4)²-4(4)(1)
= 16-16
= 0
4.) = (-2)²-4(1)(-2)
= 4-(-8)
= 12
5.) = (0)²-4(9)(16)
= -576