standard_description: Interpret the equation y = mx + b as defining a linear function, whose graph is a straight line; give examples of functions that are not linear. For example, the function A = s2 giving the area of a square as a function of its side length is not linear because its graph contains the points (1,1), (2,4) and (3,9), which are not on a straight line.
problem_activity: Problem 1
Is the point (
$$6$$
,
$$-1$$
) a solution to the linear equation
$$-2x + 4y = -8$$
? Explain.
Problem 2
Find three solutions to the linear equation
$$2x + 4y = -12$$
and use them to graph the equation.
[IMG]


aligns: no