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ycow [4]
2 years ago
15

Complete this equation ​

Mathematics
2 answers:
Olenka [21]2 years ago
5 0

Answer:

(x-2)^2+(y+1)^2=16

STALIN [3.7K]2 years ago
4 0

Step-by-step explanation:

(x-h)^2 + (y-h)^2 =r^2

(x-2)^2 + (y+1)^2=4^2

(x-2)^2 + (y+1)^2=16----------Answer

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Factor out the coefficient of the variable. 1/3b-1/3
BartSMP [9]
1/3b-1/3
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hope this helps
5 0
3 years ago
What are the coordinates of the vertex of the parabola with the equation y = x + 2x - 3?
loris [4]

Answer:

<em>The coordinates of the vertex are (-1,-4).</em>

Step-by-step explanation:

<u>Equation of the Quadratic Function </u>

The vertex form of the quadratic function has the following equation:

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

Where (h, k) is the vertex of the parabola that results when plotting the function, and a is a coefficient different from zero.

We are given the function:

y=x^2+2x-3

We must transform the equation above by completing squares:

The first two terms can be completed to be the square of a binomial. Recall the identity:

x^2+2xy+y^2=(x+y)^2

Thus if we add and subtract 1:

y=(x^2+2x+1)-3-1

Operating:

y=(x^2+2x+1)-4

The trinomial in parentheses is a perfect square:

y=(x+1)^2-4

Adding 4:

y+4=(x+1)^2

Comparing with the vertex form of the quadratic function, we have the vertex (-1,-4).

The coordinates of the vertex are (-1,-4).

4 0
2 years ago
Does the Commutative Property of Addition apply when you add two negative integers?
MAVERICK [17]

The commutative property of addition means we can add two integers in any order. So yes, It would still apply to two negative integers (for example, -2 + -3 and -3 + -2 both equal five)

4 0
3 years ago
Just write me the equation not that much work
anzhelika [568]
T(2)=d you multiply <em>t</em> times 2 to get <em>d</em>
6 0
3 years ago
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GrogVix [38]

Answer:

y=-3x+8

Step-by-step explanation:

subtract 6x from each side

then divide 2

5 0
3 years ago
Read 2 more answers
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