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answer the following quadratic equations show your solution:​

Answer The Following Quadratic Equations Show Your Solution class=

Sagot :

Answer:

1. b²+9b+7=0

a= 1, b= 9, c= 7

Discriminant:

b²-4ac

(9)²-4(1)(7)

81-28= 53

Nature of roots: Real, irrational and unequal

2. t²+16t-16=0

a= 1, b= 16, c= -16

Discriminant:

b²-4ac

(16)²-4(1)(-16)

256+64= 320

Nature of roots: Real, irrational and unequal

3. z²+25z-100=0

a= 1, b= 25, c= -100

Discriminant:

b²-4ac

(25)²-4(1)(-100)

625+400= 1025

Nature of roots: Real, irrational and unequal