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ELEN [110]
3 years ago
11

Help me pls if u can

Mathematics
2 answers:
bazaltina [42]3 years ago
5 0

Answer:

-1.1

Step-by-step explanation:

If you look at the big lines rather than the little ones. they are labeled, -0.5, -1, -1.5, etc. so you know it was to be little ones, counting to 5.

if it was -5, -10, -15, the little ones would be counting to 5 and the answer would be -1, -2, -3, -4, NEVER start on the big line when you count, if anthing. make it 0, then left go up one, and make sure you count the big line to make sure it is -1.5.

solniwko [45]3 years ago
4 0

Answer:

i believe it's -1.1, correct me if I'm wrong

Step-by-step explanation:

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What are the zeros of the function f(x) = x4 − x2 − 2?
goblinko [34]

Answer:

x = ± \sqrt{2} , x = ± i

Step-by-step explanation:

f(x) = x^{4} - x² - 2

to find the zeros , equate f(x) to zero , that is

x^{4} - x² - 2 = 0

using the substitution u = x² , then

u² - u - 2 = 0 ← in standard form

(u - 2)(u + 1) = 0 ← in factored form

equate each factor to zero and solve for u

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u + 1 = 0 ⇒ u = - 1

convert u back into terms of x

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x = ± \sqrt{2}

x² = - 1 ( take square root of both sides )

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Answer:

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Answer:

87.37

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