One of the following is an equation of the linear relation shown in the standard (x, y) coordinate plane below. Which equation is it?

Which of the following is the equation of a circle in the standard (x,y) coordinate plane ?

Which of the following equations is not a linear equation?

Which of the following equations is not a linear equation?

Which of the following gives the equation for the circle in the standed (x,y ) coordinate plane with a center at (4,8) and a circumference of 10 pi square coordinate units ?

The line with equation 5y-4x=20 does NOT lie in which quadrant(s) of the standard (x,y) coordinate plane below ?

When graphed in the standard (x, y) coordinate plane, which of the following equations does NOT represent a line?

Which of the following is a linear equation in one variable ?

which one of the following differential equation is not linear ?