# Write a-line in slope intercept form

Authored by: Mathispower4u. The y-intercept in this case is called an initial cost. If you see an equation with only x and y — as opposed to, say x2 or sqrt y — then you're dealing with a straight-line equation. But the best part about the slope-intercept form is that you can read off the slope and the intercept right from the equation.

There is, ironically, no standard definition of "standard form". How do you do that? They've given me the value for m, along with values for an x and a y. You can use these relationships to find an equation of a line that goes through a particular point and is parallel or perpendicular to another line.

The slope-intercept form can also help you to write the equation of a line when you know the slope and a point on the line or when you know two points on the line. Located at:. When lines in a plane are parallel that is, they never crossthey have the same slope. We are to use y to represent cost, and x to represent the number of months we have used the phone. We will interpret a word problem, write a linear equation from it, graph the equation, interpret the y-intercept and make a prediction.

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