y = x – 2
What is the rule for the function?
The equation y = x – 2 is a linear equation in one variable. The variable in this equation is x, and y represents the value of the expression x – 2, given any particular value of x.
This equation can be represented graphically as a straight line with a slope of 1 and a y-intercept of -2. The slope tells us the rate at which y changes with respect to changes in x, and the y-intercept tells us the value of y when x is equal to zero.
To find the solutions of this equation, we can substitute different values of x and solve for y. For example, if x is equal to 0, then y will be equal to -2. If x is equal to 1, then y will be equal to -1, and so on.
We can also solve this equation for x in terms of y. To do this, we simply add 2 to both sides of the equation, which gives us x = y + 2. This equation tells us the value of x that corresponds to a given value of y.
Overall, y = x – 2 is a simple linear equation that can be used to model a wide variety of real-world situations. It is useful for calculating rates of change, finding intercepts, and determining solutions to equations.
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