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lions [1.4K]
3 years ago
14

Which equation is part of solving the system by substitution? 4(y + 11)2 – 3y2 = 8 4(11 – y)2 – 3y2 = 8 4(y – 11)2 – 3y2 = 8 4(–

11y)2 – 3y2 = 8

Mathematics
2 answers:
sweet [91]3 years ago
5 0

Answer : The equation which is the part of solving the system by substitution is,

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

Step-by-step explanation:

As we are given two equations as:

x+y=11      ............(1)

4x^2-3y^2=8    .............(2)

From equation 1, we get the value of 'x'.

x=11-y     ............(3)

Now substitute equation 3 in equation 2, we get:

4x^2-3y^2=8

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

Thus, the equation which is the part of solving the system by substitution is,

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

swat323 years ago
3 0

Answer:

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

Step-by-step explanation:

we have

x+y=11 ----> equation A

4x^{2} -3y^{2}=8 ----> equation B

Solve the system by substitution

step 1

isolate the variable x in the equation A

x=11-y ----> equation A1

step 2

Substitute the equation A1 in the equation B

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

Solve for y

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