Markus was given dollar bills from his grandfather each day for one week. On the first day he received $1, on the second day he
received $2, on the third day he received $4, and on the fourth day he received $8. If this pattern continues, how much money will Markus have by the end of the week?
The given equation is a linear equation (all variables to the first power) relating the variables x and y. There are an infinite number of values of x and y that will satisfy this equation.
When graphed on an x-y plane, those solution values will fall on a straight line with a slope of 2. It will cross the y-axis at y=32, and the x-axis at x=-16.