Question

(ii) Complete the following activity to solve the equation 5x2 + 13x +8 = 0 using formula. Here, a=5, b=13, c= 8. b2 - 4ac - 4 x 5 x =9 X = -bt√b² - 4ac 2a - 13 + V 1 2 x 5 x= 13 +3 10 or X -8 5​

Answer 1

Answer:

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ii) Complete the following activity to solve the equation 5x2 + 13x +8 = 0 using formula. Here, a=5, b=13, c= 8. b2 - 4ac - 4 x 5 x =9 X = -bt√b² - 4ac 2a - 13 + V 1 2 x 5 x= 13 +3 10 or X -8 5

Answer 2

5x

2

+13x+8=0

a=5,b=13,c=8

x=

2a

−b±

b

2

−4ac

x=

2⋅5

−13±

13

2

−4⋅5⋅8

=

10

−13±3

x=−1,−

5

8