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Helga [31]
3 years ago
14

Solve simultaneously forx-y=3x² - xy – 2y²-7=016​

Mathematics
2 answers:
eimsori [14]3 years ago
8 0
X-y=3

x-y-3=3-3
x-y=0

x2 - xy-2y2 - 7 =0
y/x = 2x-y/x+4y

Drupady [299]3 years ago
7 0

Step-by-step explanation:

usually Brunei do like this:

y=3-x

then subs this eqn to the second eqn

sorry if I'm wrong :(

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lozanna [386]

Answer:

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Step-by-step explanation:

Hope this is right :)

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4 years ago
| 7x + 3y = -8
sergejj [24]

Answer:

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Step-by-step explanation:

6 0
4 years ago
The vertex parabola is (-2,-3) when the x value is -1 the y-value is -5 what is the coefficient of the squared expression in the
zhannawk [14.2K]
The equation can be written in vertex form as
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4 0
4 years ago
What is the slope of a line y=6x+2?
ozzi

Answer: 6

Step-by-step explanation:

Using slope-intercept form, the slope is the m in y=mx+b. So, the slope is 6.

7 0
3 years ago
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Alisiya [41]

Answer:

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Step-by-step explanation:

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