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borishaifa [10]
3 years ago
13

Which of the binomials below is a factor of this expression? 100A2 - 49B2

Mathematics
2 answers:
fomenos3 years ago
7 0
Hello,

100a²-49b²=(10a)²-(7b)²=(10a-7b)(10a+7b)
===================================


Tju [1.3M]3 years ago
4 0

The answer is D. 10A +7B on apex.

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Find an equation in standard form for the hyperbola with vertices at (0, ±10) and asymptotes at y = ±five divided by four times
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Answer:

The equation of the hyperbola in standard form is

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Step-by-step explanation:

* We will take about the standard form equation of the hyperbola

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∴ The transverse axis is the y-axis. (because x = 0)

- If the given asymptotes at y = ± (b/a) x

∴  Use the standard form  ⇒ y²/a² - x²/b² = 1

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∵ The asymptotes at y = ± 5/4 x

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∴± (4b) = ± (5 × 10) = ± 50 ⇒ divide both sides by 4

∴ b = ± 25/2

∴ b² = 625/4

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* y²/100 - x²/(625/4) = 1

∵ x² ÷ 625/4 = x² × 4/625 = (4x²/625)

∴ y²/100 - 4x²/625 = 1

* The equation of the hyperbola in standard form is

  \frac{y^{2}}{100}-\frac{4x^{2}}{625}=1

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