How to Find the Center and the Radius of Circles? (+FREE Worksheet!)
Write the equation of the circle in standard form: \((x- h)^2+( y-k)^2= r^2\), The center of the circle is at \(h,k\), and its radius is \(r\). Find the Center and the Radius of Circles – Example 1: \(x^2+ y^2-4x+3=0\) Solution: \((x- h)^2+( y-k)^2= r^2\) is the circle equation with a radius \(r\), centered at \(h,k\). […]
OAR Math Formulas
Rounding Putting a number up or down to the nearest whole number or the nearest hundred, etc. Example: 64 rounded to the nearest ten is 60 because 64 is closer to 60 than to 70. Whole Number The numbers \( \{0,1,2,3,…\} \) Estimates Find a number close to the exact answer. Decimals Is […]
