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elena-s [515]
3 years ago
9

Write an equation in point-slope form of the line that passes through the point (4,7) and has a slope of -1

Mathematics
1 answer:
monitta3 years ago
8 0

Answer:

3x+y=9 has slope -3. A line in the plane and parallel to the given equation's line also has slope -3. To also pass through a point (4,-7), the equation for this line is y%2B7=-3%28x-4%29, in the point-slope form.

Step-by-step explanation:

i hope this helps P. S Im still a Elementary hindi ko po alam lahat sorry

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7 0
3 years ago
What are the zeros of the quadratic function f(x) = 2x2 + 16x – 9?
Lena [83]
To find the zeros of this equation you need to first set it equal to zero
2x2 + 16x - 9 = 0
But since you can't FOIL this equation you need to move the non-variable number over
2x2 +16x = 9
Now solve for x by pulling an x out of the equation
x(2x + 16) = 9
x = 9
2x +16 = 9
2x = -7
x = -7/2
So your zeros would be at x = 9, and -7/2
7 0
3 years ago
Solve for x d(-3+x)= kx+9
olga nikolaevna [1]
1. Write the equation:
d(-3 + x) = kx + 9
2. "Open" the parenthesizes:
-3d + dx = kx + 9
3. Take kx to the left side, -3d to the right, everything with different sign (+ replace with - when transferring, - replace with +):
dx - kx = 9 + 3d
4. Factor x in the left side:
x(d - k) = 9 + 3d
5. Finally, divide the whole equation by (d - k):
x = (9 + 3d)/(d - k)
That's the final answer. Good luck!
4 0
3 years ago
Read 2 more answers
A fruit market received a shipment of apples. The market sold them in bags with 14 apples in each bag. It sold 24 bags of apples
agasfer [191]
The answer is 462 apples was in the shipment or 33 bags!
1 bag = 14 apples
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126 apples was not sold = 9 bags

24 bags + 9 bags = 33 bags
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5 0
3 years ago
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Answer:

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Step-by-step explanation:

3 0
3 years ago
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