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4 years ago

BRAINLIEST, 5 STARS AND THANKS IF ANSWERED CORRECTLY.

Mathematics

2 answers:

Naya [18.7K]4 years ago

7 0

Answer:

The graph of a quadratic equation that has a negative discriminant is the one that never intersect x-axis. The graph of a quadratic equation that has a zero discriminant is the one that intersect x-axis at only one point. To be clearer, it can be seen in the attached image.

Step-by-step explanation:

Answer D

sergeinik [125]4 years ago

3 0

Answer:

never crosses the x-axis.

Step-by-step explanation:

A quadratic equation with a negative discriminant has a graph that - never crosses the x-axis.

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Find an equation for a tangent plane z=e-x2-y2 at the point (0,0,1).

Nadya [2.5K]

Answer: equation of the tangent plane is z = 1

Step-by-step explanation:

Given equation

z = e^(-x²-y²) at point (0,0,1)

now let z = f(x,y)

Δf(x,y) = [ fx, fy ]

= (-2xe^(-x²-y²)), (-2ye^(-x²-y²))

now

Δf (0,0) = [ 0, 0 ] = [ a, b ]

equation of the tangent plane therefore will be

z - z₀ = a(x-x₀) + b(y-y₀)

z - 1 = 0(x-0) + 0(y-0)

z - 1 = 0 + 0

z = 1

Therefore equation of the tangent plane is z = 1

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3 years ago

Use the domain and range of each of the following relations to determine which is a function.

Taya2010 [7]

B and C (I think they are the same)

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3 years ago

I need help with this please

stiv31 [10]

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3 years ago

Which two numbers does lie between on a number line? 11.0 and 11.1 11.2 and 11.3 11.3 and 11.4 11.4 and 11.5

olya-2409 [2.1K]

Answer:

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Hope this is what you were looking for :)

7 0

3 years ago

Read 2 more answers

Adam spent $3.42 on orange juice. orange juice costs $0.12 per ounce. how many ounces of orange juice did adam buy?

nikklg [1K]

0.12 = 1 ounce. 12 goes into 342, 28.5 times. Your answer would be 28.5.
(3.42 divided by 0.12)

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3 years ago