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Dovator [93]
3 years ago
14

X^2+2x-5=0 quadratic form

Mathematics
1 answer:
julsineya [31]3 years ago
3 0

Answer:

-1+√6

-1-√6

Step-by-step explanation:

x²+2x-5=0

x=(-2±√(2²-4(-5)))/2=(-2±√(4+20))/2=(-2±√24)/2

x₁=(-2+√24)/2 or x₂=(-2-√24)/2

x₁=(-2+2√6)/2 or (-2-2√6)/2

x₁=-1+√6 or x₂=-1-√6

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In the geometric sequence below, what is the common ratio?<br><br> Sequence: 64,16,4,1
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Answer:

  1/4

Step-by-step explanation:

The common ratio is the ratio of successive terms:

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The common ratio is 1/4.

4 0
2 years ago
Sandra bought 30 T-shirts at the clothing store. 20% of the T-shirts were blue and half of the T-shirts were black. How many of
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8 0
3 years ago
Hattie is making fruit baskets, which includes apples and bananas, to send to some of her real estate clients. She wants each ba
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Step-by-step explanation:

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6 0
3 years ago
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7 0
3 years ago
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Answer:

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x = 7 and x = 15

5 0
3 years ago
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