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Sphinxa [80]
3 years ago
14

Rewrite the equation by completing the square. x^2 + 14x + 49 = 0 (x+) =

Mathematics
1 answer:
yanalaym [24]3 years ago
8 0

Answer:

(x + 7)² = 0

Step-by-step explanation:

Given

x² + 14x + 49 = 0 ( subtract 49 from both sides )

x² + 14x = - 49

To complete the square

add ( half the coefficient of the x- term)² to both sides

x² + 2(7)x + 49 = - 49 + 49

(x + 7)² = 0

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Find the center and radius for the circle, given the equation: x^2-14x+y^2+8=16
Strike441 [17]
You can do this by completing the square

x^2 - 14x + y^2 + 8  = 16

(x - 7)^2 - 49 + (y + 4)^2 - 16  = 16

(x - 7)^2 + (y + 4)^2 =   16 + 16 + 49  =  81


so the center is at (7 , -4) and radius = sqrt81 = 9
5 0
3 years ago
What is 3025/10000 in simplest form?
gulaghasi [49]
101/400 or .3025 is your answer
6 0
3 years ago
Verify if f and g are inverse functions.
Andrej [43]
They are not, because inverse means multiply by -1, therefore, there should be a positive sign in front of 2 and a negative in front of x for G(x) = x - 2
6 0
3 years ago
HJ
Olin [163]

Answer:

19 degrees

Step-by-step explanation:

From the question given

The interior angles are x+12 and x - 3

Exterior angle is <IJK = 5x-6

Using the rule that states that the sum of interior angle of a triangle is equal to the exterior

<JHI + <HIJ = <IJK

x+12 + x-3 = 5x - 6

2x+9 = 5x -6

2x - 5x = -6-9

-3x = -15

x = -15/-3

x = 5

Get <IJK

Recall that <IJK = 5x - 6

<IJK = 5(5) - 6

<IJK = 25-6

<IJK = 19 degrees

Hence the measure of <IJK is 19 degrees

8 0
3 years ago
Help me<br><br> Simplify: 7s + 7 - 4s - 3
attashe74 [19]
<h2>Answer:</h2><h2>3s + 4</h2><h2 /><h2>Hope this helps!!!</h2>

7 0
3 years ago
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