2 years ago

Which best describes the graph of a quadratic function witha discriminant of -7?

Mathematics

1 answer:

Anettt [7]2 years ago

6 0

That means that it has 2 complex roots, and it has no x intercepts, means that it doesn't touch the x axis at all

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A town has a population of 5000 and grows at 4% every year. What will be the population after 7 years, to the nearest whole numb

Rudiy27

I think this is.. ↓

grows 4% at every year

after 7 years ↓↓

4 × 7 = 28

A town has a population of 5000

28% of 5000 = 1400

5000 + 1400 = 6400

after 7 years, town has 6400 population = after 7 year grows 28%

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Inessa [10]

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exis [7]

This is the answer (4,3) x=4, y=3

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A coral reef grows 0.15 m every week. How much does it grow in 11 weeks?

Misha Larkins [42]

Coral reef = 0.15x
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1 year ago

Use the pythagorean theorem to find the distance between from A(5, -3) to B (6,0)

Orlov [11]

C. 3.16 is the right answer

Step-by-step explanation:

The distance formula used in coordinate geometry is derived from the Pythagorean theorem.

The distance formula is give by:

$d=\sqrt{(x_2-x_2)^2+(y_2-y_1)^2}$

Here (x1,y1) are the coordinates of first point and (y1,y2) are the coordinates of second point

Here,

(x1,y1) = (5,-3)

(x2,y2) = (6,0)

Putting the values in the formula

$AB = \sqrt{(6-5)^2+(0-(-3))^2}\\=\sqrt{(1)^2+(0+3)^2}\\=\sqrt{(1)^2+(3)^2}\\=\sqrt{1+9}\\=\sqrt{10}\\=3.16\ units$

The distance between two points is 3.16 units.

Hence,

C. 3.16 is the right answer

Keywords: Coordinate geometry, Pythagorean Theorem

Learn more about Pythagorean theorem at:

#LearnwithBrainly

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2 years ago