SOLUTION: how do i find the equation for 3/4(6,-1)

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Question 223752: how do i find the equation for 3/4(6,-1)
Answer by drj(1380)   (Show Source): You can put this solution on YOUR website!
how do i find the equation for 3/4 (6,-1)

Here, I assume you meant the slope is passing through the point (6,-1)

Write an equation for the line described as slope and passes through (6,-1). Write equation in slope-intercept form.

Step 1. The slope-intercept form is given as y=mx+b where m is the slope and b is the y-intercept b at x=0 or point (0,b). Here, the slope m=3/4.

Step 2. The slope m is given as



Step 3. Let (x1,y1)=(6,-1) or x1=6 and y1=-1. Let other point be (x2,y2)=(x,y) or x2=x and y2=y.

Step 4. Now we're given . Substituting above values and variables in the slope equation m yields the following steps:





Step 5. Multiply (x-6) to both sides to get rid of denominators on both sides of equation.







Step 6. Now add -1 to both sides of equation to solve for y.






Step 7. ANSWER: The equation is

Here's a graph below and note the slope and y-intercept at x=0 or point (0,-7) and the x-intercept at y=0 or at point (51/3, 0)and note it is consistent with the equation when substituting these



Note: the above equation can be rewritten in standard form as



I hope the above steps were helpful.

For FREE Step-By-Step videos in Introduction to Algebra, please visit http://www.FreedomUniversity.TV/courses/IntroAlgebra and for Trigonometry visit http://www.FreedomUniversity.TV/courses/Trigonometry.

Good luck in your studies!

Respectfully,
Dr J


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