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pshichka [43]
3 years ago
15

What is the center point

Mathematics
1 answer:
natulia [17]3 years ago
3 0

Answer:

Center of the circle= (-9,6)

Radius = 5 units

Step-by-step explanation:

Once the equation of the circle has been written in the format

(x-h)²+(y-k)²=r² , (h,k) is the center while r is the radius of the circle.

From the given equation, -h=9 therefore h= -9.

-k = -6 therefore k = 6. r² = 25 therefore r= √25=5

Center of the circle= (-9,6) radius = 5 units

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Help! ( i'll give brainlisy ) if you don't know the answer then don't type a "answer" and no sending links please.
julsineya [31]

Answer: Linear

The equation is y = 2x-5

Slope = 2

y intercept = -5

====================================================

Explanation:

Each time x goes up by 1, y increases by 2. This directly leads to a linear equation due to the same rate of change no matter where you are in the table.

The slope is rise/run = 2/1 = 2 because "y increases by 2 each time x increases by 1".

We could use the slope formula to see this. Pick on any two rows to plug in the coordinates. I'll use the last two rows

m = (y2-y1)/(x2-x1)

m = (3-1)/(4-3)

m = 2/1

m = 2

This confirms the slope is 2.

The positive slope means that the line goes uphill as you move from left to right.

---------------

The y intercept is b = -5 because the y intercept always happens when x = 0. This applies to any function, whether it's linear or not.

Together with m = 2 as the slope and b = -5 as the y intercept, we go from y = mx+b to y = 2x-5 as our linear equation

As a way to check, plug in something like x = 1 to find that...

y = 2x-5

y = 2*1-5

y = 2-5

y = -3

The table shows that x = 1 and y = -3 pair up together in the same row, so that confirms x = 1. I'll let you verify the other x values.

3 0
3 years ago
Help me please answer thanks
nasty-shy [4]

Answer:

8, 2

Step-by-step explanation:

8 * 2 = 16

8 + 2 = 10

6 0
3 years ago
X²+10+7=0 by completing the square
love history [14]

i only see numbers not no square

6 0
2 years ago
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A question "I" made.
Lina20 [59]

Answer:

41.67%

Step-by-step explanation:

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6 0
3 years ago
Simplify the expression -10-9(-3-2v+3v)
Anna11 [10]

Answer:

37-9v

Step-by-step explanation:

lets start with the parenthesizes

-9(-3-2v+3v)

multiply

27+18v-27v

next add the 10

37+18v-27v

combine the v's

37-9v

4 0
3 years ago
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