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Stells [14]
3 years ago
15

Write the equation -4x^2+9y^2+32x+36y-64=0 in standard form. Show each step of the process.

Mathematics
1 answer:
Blizzard [7]3 years ago
3 0

Answer:

The answer to your question is below

Step-by-step explanation:

      -4x² + 9y² + 32x + 36y - 64 = 0

     -4x² + 32x        + 9y² + 36y         =  64                          

     -4(x² + 8x        ) + 9(y² + 4x        ) = 64                     Factor coefficients

     -4(x² + 8x + 4²) + 9(y² + 4x + 2²) = 64 - 64 + 36     Complete trinomials

                -4(x + 4)² + 9(y + 2)² = 36                              Factor trinomials

    \frac{-4(x+4)^{2} }{36} + \frac{9(y + 2)^{2} }{36} = \frac{36}{36}

                                                                                       Divide by 36

    - \frac{(x+ 4)^{2} }{9} + \frac{(y + 2)^{2} }{4} = 1   Simplify

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Y=5/2x-19 and 5x+2y=-8 a perpendicular,parallel or intersecting lines?
dimaraw [331]

Answer:

There intersecting lines

Step-by-step explanation:

5x+2y=-8

-5x            -5x

2y=-8 -5x

/2   /2  /2

y=-4 -5/2x also

y=-5/2x - 4

&

y=5/2x - 19

neither parallel (slope is not the same)

or perpendicular (slope is not reciprocal or opposite signed)

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3 years ago
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Dahasolnce [82]

Answer:

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Step-by-step explanation:

8 0
2 years ago
Frank marry and seth shared some sweets in the ratio 4:5:7 seth got 18 more sweets than frank work out the total number of sweet
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Answer: 96

seth got 18 more than frank

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3 0
3 years ago
How could you use coordinate geometry to prove that segment BC is congruent to segment AD?
liberstina [14]

Answer:

  Prove the lengths are the same

Step-by-step explanation:

When we say segments are congruent, we mean their lengths are the same.

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Let's see if they are congruent.

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8 0
2 years ago
Read 2 more answers
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faust18 [17]
Hi there!

2³ [ (15 - 7) × (4 ÷ 2) ] = 8 [ 8 × 2 ] = 8 × 16 = 128

Hence,
The required answer is 128

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4 0
3 years ago
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