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galben [10]
3 years ago
14

Solving quadratic equation using the completing the square (a).9k²+5k=2​

Mathematics
1 answer:
Margarita [4]3 years ago
6 0

Answer:

,

Step-by-step explanation:

everything can be found in the picture

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Answer:No

Step-by-step explanation:

Given system of equation is:

2x + 3 = y

2x + y = 15

To check whether (2,7) is solution to this system or not, we will put x=2 and y=7 in both equations.

Putting x=2 and y=7 in Eqn 1

2(2) + 3 = 7

4 + 3 = 7

7 = 7

Thus the ordered pair satisfies the equation

Putting x=2 and y=7 in Eqn 2

2(2) + 7 = 15

4 + 7 = 15

11 ≠ 15

The ordered pair do not satisfy the second equation.

Hence,

(2,7) is not a solution to the given system of equations.

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The school is closest

Step-by-step explanation:

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