3 years ago

Which expression is equivalent?

Mathematics

1 answer:

Irina18 [472]3 years ago

7 0

Answer:

Again! Option D is the answer!

Please mark my answer as the brainliest since I have you the answer so quickly!

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Write the equation x² + 6x + y² – 8y = 19 in standard form.

kirza4 [7]

Answer:

Formula used :

x²+2xy+y² = (x+y)²
x²-2xy+y² = (x-y)²

$→{x}^{2} + 6x + {y}^{2} - 8y = 19 \\ ({x}^{2} + 2.3.x + {3}^{2} ) +({y}^{2} - 2.4.y + {4}^{2} ) = 19 + {3}^{2} + {4}^{2} \\ {(x + 3)}^{2} + {(y - 4)}^{2} = 19 + 9 + 16 \\ \boxed{ {(x + 3)}^{2} + {(y - 4)}^{2} = 44}✓$

3) (x+3)²+(y-4)²=44 is the right answer.

8 0

3 years ago

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A student is trying to solve the system of two equations given below:

levacccp [35]

Answer: B: (y + z = 6) × -5

Step-by-step explanation:

if you multiply 'y' by -5 it turns into -5y. Therefore when you add -5y and 5y together, you get 0y which is what you want when eliminating the y-term.

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2 years ago

Choose the equation that represents a line that passes through points (−1, 2) and (3, 1).

Sholpan [36]

B) X+4y=7

It works with both equations

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3 years ago

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PLEASE HELP IN IMAGE nonsense will be reported

Degger [83]

The answer is -2. The line is going from left to right which makes it negative. Then if you look at the line and do change in y(rise) over change in x(run).

8 0

3 years ago

Which linear function represents the line given by the point-slope equation y – 2 = 4(x – 3)?

posledela

y – 2 = 4(x – 3)

y - 2 = 4x - 12

y - 2 = 4x - 12

y = 4x - 12 + 2

y = 4x - 10

y - 4x = -10

6 0

3 years ago

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