SOLUTION: Find the slope-intercept form of the equation of the line that passes through the given point and has the indicated slope. Point (3,5) Slope m=3/5 y=?

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Question 218678: Find the slope-intercept form of the equation of the line that passes through the given point and has the indicated slope.
Point (3,5) Slope m=3/5
y=?

Found 2 solutions by drj, MathTherapy:
Answer by drj(1380) About Me  (Show Source):
You can put this solution on YOUR website!
Find the slope-intercept form of the equation of the line that passes through the given point and has the indicated slope.

Point (3,5) Slope m=3/5

Step 1. The slope m is given as

m=%28y2-y1%29%2F%28x2-x1%29

Step 2. Let (x1,y1)=(3,5) or x1=3 and y1=5 . Let other point be (x2,y2)=(x,y) or x2=x and y2=y.

Step 3. Now we're given m=3%2F5. Substituting above values and variables in the slope equation m yields the following steps:

m=%28y2-y1%29%2F%28x2-x1%29

3%2F5=%28y-5%29%2F%28x-3%29

Step 4. Multiply (x-3) to both sides to get rid of denominators

3%2F5%2A%28x-3%29=%28x-3%29%28y-5%29%2F%28x-3%29

3x%2F5-9%2F5=y-5

Step 5. Now add 5 to both sides of equation to solve for y.

3x%2F5-9%2F5%2B5=y-5%2B5

3x%2F5-16%2F5=y

Note: the above equation can be rewritten as
3x-5y=16
And the graph is shown below which is consistent with the above steps.

Solved by pluggable solver: DESCRIBE a linear EQUATION: slope, intercepts, etc
Equation 3+x+%2B+-5+y+=+16 describes a sloping line. For any
equation ax+by+c = 0, slope is -a%2Fb+=+-3%2F-5.
  • X intercept is found by setting y to 0: ax+by=c becomes ax=c. that means that x = c/a. 16/3 = 5.33333333333333.
  • Y intercept is found by setting x to 0: the equation becomes by=c, and therefore y = c/b. Y intercept is 16/-5 = -3.2.
  • Slope is -3/-5 = 0.6.
  • Equation in slope-intercept form: y=0.6*x+-3.2.




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.

And good luck in your studies!

Respectfully,
Dr J
http://www.FreedomUniversity.TV

Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!
Find the slope-intercept form of the equation of the line that passes through the given point and has the indicated slope.
Point (3,5) Slope m=3/5
y=?

Since we have the slope, or m of 3%2F5 and point (3, 5), we use the point-slope form to get the equation in slope-intercept form.

y+-+y%5B1%5D+=+x%28x+-+x%5B1%5D%29----- Point-slope form

y+-+5+=+%283%2F5%29%2A%28x+-+3%29----- Substituting slope 3%2F5 and point (3, 5)into equation

y+-+5+=+%283%2F5%29%2Ax+-+%283%2F5%29%2A3 ------ y+-+5+=+%283%2F5%29%2Ax+-+%289%2F5%29

y+=+%283%2F5%29%2Ax+-+%289%2F5%29+%2B+%2825%2F5%29 ----- Adding 5, or 25%2F5 to each side of equation

Therefore, we have: highlight_green%28y+=+%283%2F5%29%2Ax+%2B+%2816%2F5%29%29