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umka21 [38]
3 years ago
7

Passes through (-3,-1) and parallel to -2y=-6x-14

Mathematics
1 answer:
Agata [3.3K]3 years ago
6 0

 

Hello: <span>

</span>

 an<span> equation is : y =ax +b    ( a is a slope )

parallel to the line -2y=-6x-14  ...... y =3x +7      a =3  ( same slope )
the equation is : y=3x+b</span>

the line through (-3,-1) :  -1 = 3(-3)+b .......b= 8

an equation is : y = 3x+8

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A x + b y is equal to 12​
Nikitich [7]

Answer:

y= -a*x + 12

<u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u>b</u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u>b</u>

Step-by-step explanation:

ax+by=12 (subtract "ax" from both sides so that the one on the left will become zero and we will have "by" )

by= -ax+12(divide both side by "by" so that we will have the equation as "y=mx+b")

finally the result will be:

y= -a*x + 12

b b

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2 years ago
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TEA [102]

Answer:

A) y = (x + 3)² + 4

B) y = (x - 3)² + 2

C) y = (x - 1)² - 5

Step-by-step explanation:

2 units UP means that the vertex will be shifted from (-3 , 2) to (-3, (2 + 2) or (-3, 4)

As the y = (x + 3)² will still be zero at x = -3, we just need to change the "+ 2" to

"+ 4" to shift the curve upward by 2

y = (x + 3)² + 4

When we want to shift the curve to the right, we want the vertex to move from (-3, 2) to (3, 2)

This means that the term in parenthesis must be zero with our desired x value

(3 + C)² = 0

3 + C = 0

C = -3

y = (x - 3)² + 2

4 units right and 7 units down mean that the vertex is desired at (1, -5)

(1 + C)² = 0

C = -1

y =  (x - 1)² - 5

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Solve the system of equations.<br><br><br> ​ <br><br> −5y−10x=45<br> −3y+10x=−5<br> ​
Fynjy0 [20]
(-2,-5)
The first goal with equations like these is to get one of the variables to go away. You can do that by adding/subtracting one equation from the other. Then you solve for the one variable. Then you plug that answer into one of the original equations and solve.

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salantis [7]

Answer:

9.45+189=198.45

Step-by-step explanation:

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