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nadya68 [22]
3 years ago
7

Show work please!!! Solve the equation by completing the square. If necessary, round to the nearest hundredth.

Mathematics
1 answer:
weeeeeb [17]3 years ago
5 0

Answer:

1. B 2. C

Step-by-step explanation:

1. x^2-18x+(18/2)^2=19+(18/2)^2

(x-18/2)^2=100

(x-9)^2=100

x1= -1 x2= 19

2. x^2=81

x=+-9

x1=-9 x2=9

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(x+3)^2+4=46<br> what is the solution of this equation
I am Lyosha [343]

Answer:

x = -3 <u>+</u> √42

Step-by-step explanation:

1) Expand the square

2) Distribute
3) Distribute

4) Distribute

5) Combine like terms

6) Add the numbers

7) Move terms to the left side

8) Subtract the numbers

9) Use the quadratic formula

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Therefore, the solution of this equation is x = -3 <u>+</u> √42

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Answer:

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Step-by-step explanation:

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pentagon [3]
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Step-by-step explanation:

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3 years ago
What is the range of the function graphed on the grid? { x │ x = -2, 2, 4} {y│-3 ≤ y ≤ 4} {y│ y = -3, 0, 4} { x │-2 ≤ x ≤ 4}
Neporo4naja [7]

Answer:

The image is sideways.

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