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kaheart [24]
3 years ago
7

How many real-number solutions does the equation have?

Mathematics
1 answer:
nevsk [136]3 years ago
3 0
If the discriminant is negative no real solution exists.
If the discriminant is equal to 0 only one real solution exists.
If the discriminant is positive 2 real solutions exist.
The discriminant:
D = b² - 4 a c
1 ) - 7 x² + 6 x + 3 = 0
D = 6² - 4 · ( - 7 ) · 3 = 36 + 84 = 120  > 0
Answer: b) two solutions
2 ) - 8 x² - 8 x - 2 = 0
D = ( - 8 )² - 4 · ( - 8 ) · ( - 2 ) = 64 - 64 = 0
Answer: a ) one solution
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A. Correct

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3 0
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2 years ago
If log(16)=s, what is the value of 2/3 log(6400) - 1/3 log(1600) in terms of s?
eduard

The value of   \dfrac{ 2}{3} log(6400) - \dfrac{1}{3} log(1600)  in terms of s will be

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<h3>What is Logrithm?</h3>

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Here we have the expression:-

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Step-by-step explanation:

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3 years ago
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