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4 years ago

8

An ellipse has a vertex at (2, 0), a co-vertex at (0, –1), and a center at the origin. Which is the equation of the ellipse in s

tandard form?

1 answer:

STALIN [3.7K]4 years ago

7 0

Equation - x^2/4+y^2=1

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Answer:

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Step-by-step explanation:

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3 years ago

Image attached. Geometry: finding angles

miv72 [106K]

Answer:

28 degrees

Step-by-step explanation:

Because a triangle equals 180, you can subtract 90 and 34 from triangle ABE to leave you with 56 degrees for angle B.

Since CBA is a straigth line with 180 degrees, you can subtract 56 to end up with 124 degrees for angle CBE.

Since line BD bisects angle EBC (splits in half), you can divide the 124 degrees into 62 degrees.

Now that we know angle CBE equals 62 degrees, we can add the 90 degrees and subtract them from the 180 degrees of the triangle.

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4 years ago

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pshichka [43]

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3 years ago

What’s the derivative of x^2 - 3

geniusboy [140]

Answer:

$\displaystyle \frac{dy}{dx} = 2x$

General Formulas and Concepts:

<u>Calculus</u>

Differentiation

Derivatives
Derivative Notation

Derivative Property [Multiplied Constant]: $\displaystyle \frac{d}{dx} [cf(x)] = c \cdot f'(x)$

Derivative Property [Addition/Subtraction]: $\displaystyle \frac{d}{dx}[f(x) + g(x)] = \frac{d}{dx}[f(x)] + \frac{d}{dx}[g(x)]$

Basic Power Rule:

f(x) = cxⁿ
f’(x) = c·nxⁿ⁻¹

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

$\displaystyle y = x^2 - 3$

<u>Step 2: Differentiate</u>

Derivative Property [Addition/Subtraction]: $\displaystyle y' = \frac{d}{dx}[x^2] - \frac{d}{dx}[3]$
Basic Power Rule: $\displaystyle y' = 2x$

Topic: AP Calculus AB/BC (Calculus I/I + II)

Unit: Differentiation

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