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Anastaziya [24]
3 years ago
5

Solve by completing the square y^2-12=-35

Mathematics
2 answers:
Elden [556K]3 years ago
3 0

Answer: y= 7 & y=5

Step-by-step explanation:

y^2-12 get half of -12 which is -6 then sq it -6 X -6 = 36 add to both sides

y^2 -12+36= -35+36

(y-6)^2= 1

Sq rt both sides

y-6=1

Add 6 to both sides

Y= 7

Y-6=-1

Add 6

Y=5

Mariana [72]3 years ago
3 0
I think this question is not correct....pls check your question once again
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1) A regular hexagon is mapped onto itself every time it is rotated
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In the figure given l || m , then find the value of X.
Aleks [24]

Answer:

42

Step-by-step explanation:

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Read 2 more answers
M is the midpoint of A and B. Find the A (Leave your answer with no spaces and use brackets and commas, use M and B as examples.
Licemer1 [7]

Answer:

<h2>A = (1,-5)</h2>

Step-by-step explanation:

Let the midpoint of the two points A (x₁, y₁) and B(-5, 5) be M(2, 0)

Using the formula for calculating the midpoints of two coordinates

(X₁, Y₁) = (\frac{{x_1}+x_2}{2}, \frac{{y_1}+y_2}{2} )

X_1 = \frac{{x_1}+x_2}{2}\\Y_1 =\frac{{y_1}+y_2}{2}

Given if (X₁, Y₁) is the midpoint, then X₁ = 2, Y₁ = 0

x₂ = -5 and y₂ = 5

Substituting this given values into the equation above to get the unknown coordinate;

X_1 = \frac{{x_1}+x_2}{2}\\-2 =  \frac{{x_1}-5\\}{2}\\-4 = x_1-5\\x_1=-4+5\\x_1 =1

Similarly;

Y_1 = \frac{{y_1}+y_2}{2}\\0 =  \frac{{y_1}+5\\}{2}\\0 = y_1+5\\y_1=0-5\\y_1 =-5

The coordinate of A = (1,-5)

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