The value of x and y for the following system of equations x^{2

Lloyd Allen

Lloyd Allen

Answered question

2021-11-16

The value of x and y for the following system of equations
x2+y2=10
9x2+y2=18

Answer & Explanation

Ida Perry

Ida Perry

Beginner2021-11-17Added 20 answers

Step 1
1) x2+y2=10
2) 9x2+y2=18
Subtracting (1) from (2)
8x2=8
x2=1
x=±1
Putting the value of x in (1)
(±1)2+y2=10
y2=101
y2=9
y=±3

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