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astra-53 [7]
3 years ago
12

Which fraction shows a correct way to set up the slope formula for the line that passes through the points (4, -6) and (-2, 1)?

Mathematics
2 answers:
alexandr402 [8]3 years ago
6 0
Y +6 = -7/6 (x-4)



Mark brainliest please


Hope this helps you
AleksandrR [38]3 years ago
5 0
The answer is -7/6

first use the slope formula( y1-y2/x1-x2) to set up the equation. the y values on top, x value on bottom. and always subtract.
-6-1/ 4–2
then combine the numbers in the numerator together and the numbers in the denominator together. in this case you have two negatives between the 4 and the 2 so it becomes a plus sign
-7/4+2
-7/6
and then you have ur answer.
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I need the answer to this
adell [148]

Answer:

8 Hours

Step-by-step explanation:

Since 4 painters painting one house takes 14 hours, then one person would take 56 hours to paint the whole house. Hence, 4 x 14 = 56. If 7 people painted the house, then 8 hours would be needed since 56 / 7 = 8.

4 people x 14 hours = House

56 hours = House

56 hours is required to paint a house.

7 people x H hours=  House

7 people x H hours = 56

(7 people x H hours)/ 7 = 56 / 7

You divide 7 on both sides to isolate H on one side.

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I Hope This Helps :)

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8. Solve the system of equations using substitution.
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Answer:

D

Step-by-step explanation:

In order to solve this we need to plug in the answer choices and make sure they work for BOTH answers!

Let us start with option A. (6,3)  3 = 4(6) + 6     = 3 = 30 This is automaticly wrong because 3 doesnt equal 30. There is no need to try it on the second equation since the first one was wrong.

Next answer choice, B  (3,6)  6 = 2(3) =   6=6. The second equation works perfect for this. Now we have to make sure that it works for the first one as well. 6 = 4(3) + 6   = 6 = 18 which is wrong.

Next, C.  (1,2)   2 = 2(1) = 2=2 Right now lets check the other equation.

2 = 4(1) + 6 = 2=10. Wrong

Last, D. (-3, -6)    -6 = 2(-3)  = -6 = -6 Right now lets check the other equation.

-6 = 4(-3) + 6 = -6 = -6. CORRECT. Answer choice D works for both equations.

Sorry for the wait of response.

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