3 years ago

Solve 3x+2y=5 and 7x+2y=9

1 answer:

6 0

Answer:

Add the equations in order to solve for the first variable. Plug this value into the other equations in order to solve for the remaining variables.

Point Form:(1,1)

Step-by-step explanation:

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16-2t=5t+9 Answer equation

Sergio [31]

Answer:

t=1

Step-by-step explanation:

16-2t=5t+9

step 1 :group like term to the same side

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2 years ago

Using a directrix of y = 5 and a focus of (4, 1), what quadratic function is created?

fomenos

Focus: ( 4, 1 )
Directrix: y = 5
The vertex is always half of a distance between the focus and the directrix.
The vertex must be at: ( 4, 3 ), h = 4, k = 3
|p| is the distance between the vertex and the directrix ( which is over the vertex and p is negative ). p = - 2
The equation:
( x - h )² = 4 p ( y - k )
( x - 4 )² = -8 ( y - 3 )

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3 years ago