A computer rounded the number 129.257 to the nearest hundredth. What is this number rounded to the nearest hundredth? A .100 B.
2 answers:
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2x^2 + 16x + 24 = 0
Use the quadratic formula.
a = 2
b = 16
c = 24
x = -16 +-sq root(256 -4*2*24) / 2*2
x = -16 +-sq root(64) / 4
x = -16 +-8 / 4
x1 = -8 / 4 = -2
x2 = -24 / 4 = -6
Use the quadratic formula.
a = 2
b = 16
c = 24
x = -16 +-sq root(256 -4*2*24) / 2*2
x = -16 +-sq root(64) / 4
x = -16 +-8 / 4
x1 = -8 / 4 = -2
x2 = -24 / 4 = -6