dancedancemarley dancedancemarley

03-04-2019
Mathematics

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Which equation can be used to solve the following system? x+y=11
4x^2-3y^2=8

Which equation can be used to solve the following system xy11 4x23y28 class=

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happycloudpony happycloudpony

09-04-2019

Rearrange x + y = 11.

x = 11 - y

Substitute into other equation.

4(11 - y)^2 = 3y^2 = 8

Answer:

4(11 - y)^2 - 3y^2 = 8 (#2)

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