Problem 978

 

Write the point-slope from of the line’s equation satisfying the given conditions. Then use the point-slope from of the equation to write the slope-intercept from of the equation.

Slope = 6, passing through (2,5)

 

Solution:-

 

The point-slope from of the equation of a nonvertical line with slope m that passes through the point (x1,y1) is y –y1 = m (x – x1).

In this problem , m = 6, x1 = 2, and y1 = 5.

Write the point-slope form of the line satisfying the conditions.

y –y1 = m (x – x1)

y – 5 = 6(x -2)

The point-slope from of the equation of the line is y – 5 = 6(x -2). Solve this equation for y and write an equivalent equation in slope- intercept form (y = mx +b).

y – 5 = 6 (x-2)

y – 5 = 6x – 12

y = 6x – 7

Therefore, the slope-intercept form of the line’s equation is y = 6x – 7.

 

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