Question

The graph shows the proportional relationship between the side lengths of a square and its perimeter. Which equation shows the same relationship between the side length and the perimeter of a square? Perimeter of Square P. 32 28 24 P 15 Perimeter (inches) 20 16 12 P1 8 0 2 4 6 8 Side Length (inches) P 418​

Answer 1

y=4x

Explanation:

Write the equation of linear function

Substitute:

Multiply the monomials:

Rearrange unknown terms to the left side of the equation:

Reduce the greatest common factor on both sides of the equation:

Rearrange unknown terms to the left side of the equation:

Divide both sides of the equation by the coefficient of variable:

Substitute one unknown quantity into the elimination:

Solve the equation: m=4

Write the solution set of the equations:

Substitute: y=4x

Answer: y=4x