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Tanzania [10]
3 years ago
7

Does anyone know this? Pls help

Mathematics
1 answer:
USPshnik [31]3 years ago
4 0
12 maybe ? i’m not completely sure
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Solve the quadratic equation by completing the square.<br> x^2+2x-2=0
astraxan [27]

The solution to the quadratic equation by completing the square is x = -1 + √3, x = -1 - √3

<h3>What is a quadratic equation?</h3>

Any equation of the form \rm ax^2+bx+c=0  where x is variable and a, b, and c are any real numbers where a ≠ 0 is called a quadratic equation.

As we know, the formula for the roots of the quadratic equation is given by:

\rm x = \dfrac{-b \pm\sqrt{b^2-4ac}}{2a}

We have a quadratic equation:

x² + 2x - 2 = 0

x² + 2x + 1 - 1 - 2 = 0

(x + 1)² - 3 = 0

(x + 1)² = 3

x + 1 = ± √3

x = -1 ± √3

Thus, the solution to the quadratic equation by completing the square is x = -1 + √3, x = -1 - √3

Learn more about quadratic equations here:

brainly.com/question/2263981


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5 0
2 years ago
Find the distance between the points (9,8) and (–2,–4).
Nat2105 [25]

Answer:

12/11

Step-by-step explanation:

y2-y1/x2-x1

(-4-8)/(-2-9)

6 0
3 years ago
Read 2 more answers
The base of a triangle is 5/8 ft. The height is 1/3 ft.
Ierofanga [76]
5/8÷1/3=5/8×3/1
(multiply by reciprocal instead of dividing)
5/8×3/1=15/8=1.875
3 0
3 years ago
(HELP PLEASE) The inverse of G(x) is a function.
nirvana33 [79]

Answer:

False.

Step-by-step explanation:

Apex

3 0
4 years ago
Read 2 more answers
Please help with this
Svetllana [295]
To solve this equation, all you need to do is substitute the value of x that would be like this y = -2 (-3) -7 and solve, the answer would be -1.
7 0
3 years ago
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