Question

x + y - 4 = 0 x - y = 0 The solution lies in quadrant _____. I II III IV

Answer 1

Answer:

Quadrant I

Step-by-step explanation:

To find a quadrant, take the 2 equations and add them together for both x and y. The resulting point's quadrant is the solution.

X part

2x-4=0

add 4 to each side

2x=4

divide by 2

x=2

Y part

2-y=0

add 2

y=2

(2,2)

point (2,2) lies in quadrant 1

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