What is the difference between the second and fourth square number

x2 - y2 = 3

4x2 + y2 = 17

5x2 = 20

x2 = 4

x = ±2

Step-by-step explanation:

The difference between the squares of two numbers is 3. Four times the square of the first number increased by the square of the second number is 17. Find the numbers.

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y=3x+4

step-by-step explanation:

given the points a(0,4) and b(-4, -8)

eqn of line ab: (y-4)/(x-0)=(-8-4)/(-4-0)

(y-4)/x=-12/-4=3

y=3x+4