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Nezavi [6.7K]
3 years ago
9

What is the solution to the system of equations below? y = negative 3 x + 5 and y = 4 x minus 2

Mathematics
2 answers:
DochEvi [55]3 years ago
7 0

Answer:

3,1/2

Step-by-step explanation:

i just took the quiz :D

qaws [65]3 years ago
6 0

Answer:

  (1, 2)

Step-by-step explanation:

A graphing calculator is a handy tool if all you want is a solution. It shows the solution as (x, y) = (1, 2).

__

Equate the two expressions for y:

  -3x +5 = 4x -2

  7 = 7x . . . . . . add 2+3x

  1 = x . . . . . . . divide by 7

  y = -3(1) +5 = 2 . . . . . . use the first equation to find y from x

The solution is (x, y) = (1, 2).

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m_a_m_a [10]

Answer:

yes

Step-by-step explanation:

8 0
3 years ago
Choose the equation that best represents the general form of the following expression.
Nuetrik [128]
Here is how we get the equation that best represents the general form of the given expression above.
Since we have a fraction, what we are going to do in order to eliminate it is to multiply both sides by 2.  So this gives us x^2 = 14x.
Move 14x, and the final form would be x^2 -14x = 0.
Hope this is the answer that you are looking for. 
4 0
4 years ago
Can you help me ? I think I figured it out but am not sure . Thank you !
Nataly [62]

Thank you for posting the figure. Without it, I would have thought the parabola has a vertical axis.

For a parabola with a horizontal axis (as in this case), the equation of the parabola is

f(y)=a(y-k)^2+h

where (h,k) is the vertex.

Substituting (h,k)=(2,-4),

f(y)=a(y+4)^2+2...................(1)

as the equation of the parabola, with the value of "a" yet unknown.

Since we are given that the parabola passes through the point (-3,-3), we can substitute the corresponding x,y values in (1) to solve for a.

f(y)=-3=a(-3+4)^2+2

solve for a

a=(-3-2)/(1^2)=-5

So the equation of the parabola is f(y)=-5(y+4)^2+2

5 0
3 years ago
See image for details on question
exis [7]

Answer:

x +3

Step-by-step explanation:

You can solve this by factoring.

The numbers have to add to 10 and multiply to 21.

The first numbers that should come to mind are 7 and 3

(x+3)(x+7)

x+3 is the shorter side and there you go :)

7 0
3 years ago
Math for Homework
marta [7]
1.09 x 0.99 = $1.08 apples
0.99 x 1.19 = $1.18 grapes
1.29 x 1.09 = $1.41 oranges

Total bill = $3.67
7 0
1 year ago
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