What is y=3x-3?

it is a function whose graph is s straight line.

ok thanks

The expression y = 3x - 3 represents a linear equation. It can be written in the form of y = mx + b, where m is the slope of the line and b is the y-intercept.

In this equation, the coefficient of x is 3, which represents the slope of the line. This means that for every unit increase in x, the value of y will increase by 3. The constant term -3 represents the y-intercept, which is the point where the line crosses the y-axis.

To graph this equation, you can start by plotting the y-intercept, which is the point (0, -3). Then, using the slope, from the y-intercept, you can move vertically upward 3 units and horizontally right 1 unit to locate the next point. You can repeat this process to find additional points on the line.

Alternatively, if you are looking for a specific value of y for a given value of x, you can substitute the value of x into the equation and solve for y. For example, if you want to find y when x = 2, substitute x = 2 into the equation:

y = 3(2) - 3
y = 6 - 3
y = 3

So, when x = 2, y = 3.