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3 years ago

50 POINTS AND BRAINLEST Which line is the graph of y=-2x+2

Mathematics

2 answers:

Mariulka [41]3 years ago

8 0

Answer: Line B sir

Step-by-step explanation:

y = -2x+2 has a slope of -2 (means it's going down) and a y-intercept of 2. Line b is the only line that matches this description.

worty [1.4K]3 years ago

6 0

Answer:

line b

Step-by-step explanation:

y = -2x+2 has a slope of -2 (means it's going downhill) and a y-intercept of 2. Line b is the only line that matches this description.

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What is the domain of the function y=sqrt x?

vova2212 [387]

Square root is not defined to for negative values. For negative values, the answer of square root is a complex number which is not in Real Domain.

So any such values, for which the expression is not defined are not in the Domian. So the domian of square root of x will be All real numbers greater than or equal to 0.

This can be expressed as:

[0 , ∞)
or
x ≥ 0

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3 years ago

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(x-5)²+ (y+7)²= 16. If the circle is shifted 3 units right, and 9 units up, what is the equation of the new circle?

Vitek1552 [10]

(x-8)^2+(y-2)^2=16
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4 years ago

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It takes Chris 6.5 hours to drive 455 miles. If he travels at the same rate, how long will it take him to drive 2100 miles?

mart [117]

First let’s divided 455 by 6.5 to figure out how far he travels in 1 hour which is equal to 70, now let’s do 2100 divided by 70, it will take 30 hours for him to drive 2100 miles.

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3 years ago

P = -2p - 15<br><br> I need help plz. Thanks!

mihalych1998 [28]

Answer: p=−5

Step-by-step explanation:

Step 1: Add 2p to both sides.

p+2p=−2p−15+2p

3p=−15

Step 2: Divide both sides by 3.

3p/3 = −15/3

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3 years ago

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Write the Quadratic Formula

Evgen [1.6K]

Answer:

$y=x^2-4$

Step-by-step explanation:

we know that

The function of the graph is a vertical parabola open upward

The vertex is a minimum

The equation of a vertical parabola in vertex form is equal to

$y=a(x-h)^2+k$

where

a is a coefficient

(h,k) is the vertex

In this problem

Looking at the graph

The vertex is the point (0,-4)

substitute

$y=a(x-0)^2-4$

$y=ax^2-4$

To determine the value of "a" take a point in the graph

I take the point (3,5)

substitute the value of x and the value of y and solve for a

$5=a(3)^2-4\\9a=5+4\\9a=9\\a=1$

therefore

The equation of the quadratic function is

$y=x^2-4$

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3 years ago

50 POINTS AND BRAINLEST Which line is the graph of y=-2x+2​

50 POINTS AND BRAINLEST Which line is the graph of y=-2x+2