book Maths Puzzle Numerical Ability

Please help me answer the question: Find the center of the circle with the equation {{{x^2+y^2-4x+6y+1=0}}}

Read Solution (Total 0)

book Other Question

Solve the following system by using either addition or substitution. If a unique solution
does not exist, state whether the system is dependent or inconsistent.
10x + 2y = 7
y = -5x + 3 translate "the product of m and the sum of twelve and m" into a mathematical expression. thank-you