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Fittoniya [83]
2 years ago
15

Write the slope intercept form of the equation of the line through the given point plz

Mathematics
2 answers:
Oduvanchick [21]2 years ago
4 0

Answer: y=-x-5

Step-by-step explanation:

Slope intercept form is y=mx+b, so we have to find a way to substitute the given information into the equation. We have m because it gives us the slope.  The slope is -1, as the directions state. Now, we substitute it in and solve for b:

  1. Substitute -1 in for m⇒ y=-x+b
  2. Substitute in the point (-1, -4) in for x and y respectively to get -4=-(-1)+b
  3. Solve the equation to get b= -5

After getting the y-intercept, you have the full equation!

Amanda [17]2 years ago
3 0
The answer is A) y=-x-5

Hope this helps!
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Using proportions, the selling prices are given as follows:

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To find the selling prices, we have to multiply the original prices by either 1.02(2% sales tax) or 1.04(4% sales tax), hence they are given as follows:

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