An equation of a line requires two parameters. The slope, by itself, is not enough.
i am cute
Subtract the equation of one line from the equation of the other
By substitution
Substitute the coordinates of the point into the equation of the line. If the result is true, then the point is on the line.
In order to find the equation of a tangent line you must take the derivative of the original equation and then find the points that it passes through.
An equation of a line requires two parameters. The slope, by itself, is not enough.
i am cute
By finding the line of best fit and using the straight line equation formula.
Subtract the equation of one line from the equation of the other
If the x intercept is a and the y intercept is b, then the equation of the line is bx + ay = ab
As for example in the straight line equation of y=3x+5 the slope is 3 and the y intercept is 5
By substitution
The question is suppose to read: Find the equation of the line tangent to y=(x²+3x)²(2x-2)³, when x=8
Substitute the coordinates of the point into the equation of the line. If the result is true, then the point is on the line.
So that you can plot out the points of a straight line on graph paper.
you find the hole that matches it, line it up and PUSH.