Consider the equation $y=9x$y=9x.

What is the value of $9x$9x when $x=-4$x=−4?

Does $\left(-4,-36\right)$(−4,−36) lie on the line $y=9x$y=9x?

No

Yes

Consider the equation $y=-6x$y=−6x.

Consider the equation $y=6x+4$y=6x+4.

Consider the equation $y=-6x+7$y=−6x+7.

Identify, through investigation, the equation of a line in any of the forms y = mx + b, Ax + By + C = 0, x = a, y = b