An item that usually sells for $189 is on sale for 25% off. Find the sale price
2 answers:
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You can use this to help you. label the triangle like the picture and use the equations. I hope this helps.
Step-by-step explanation:
Let's pick two points on the line: and
Let's calculate the slope of this line using these points:
With this value of the slope, we can write the general slope-intercept form of the equation as
To solve for the y-intercept b, let's use either P1 or P2. I'm going to use P2:
Therefore, the slope-intercept form of the equation is