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ExtremeBDS [4]
3 years ago
14

Use graphing to find the solutions to the system of equation x^2-y=4 2x+y=-1

Mathematics
2 answers:
olga_2 [115]3 years ago
3 0
You have to change each groschen to be equal to Y and then input it into a graphing calculator to get the points

valentinak56 [21]3 years ago
3 0

Answer:

Step-by-step explanation:

Allow me to rewrite your question:

<em>Use graphing to find the solutions to the system of equation </em>x^{2}<em>-y=4  and 2x+y=-1 </em>

Here is my answer:

Given:

  • x^{2}<em>-y=4 <=> y = </em>x^{2}<em> -4 </em>
  • 2x + y = -1 <=> y = -2x -1

So we graph the two lines on the plot as the following photo, we can see that:

x = -3 y =5 and

x = 1, y- = -3

Hope it will find you well

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Answer:

(0,-4) (5,0)

Step-by-step explanation:

4x-5y=20

First, we must put the equation into slope intercept form: y= mx+b

5y=4x-20=y=4/5x-4

The y intercept, by definition, is b. In this scenario, b is -4.

One ordered pair that works is (0,-4).

Also, we can find the ordered pair for the x intercept. By definition, the x intercept is the value of x when y equals zero. hence, we substitute 0 for y and then we can find an ordered pair that works and solve for x!:

  1. 0=4/5(x)-4= 4=4/5x
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Therefore, (5,0) works as well!

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Answer:

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Step-by-step explanation:

It stands for Teacher Education Assistance for College and Higher Education

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You should also be able to convince yourself by what you know about similarity that the length of that parallel halfway line is just halfway between the lengths of the bases (you can add them and divide by two).

So your trapezoid (trapezium, we call ’em this side of the pond) has the same area as a rectangle with an altitude equal to the trapezoid’s and a width equal to the sum of those bases divided by two. And since you know about rectangles, you’re home and dry. I suggest you do the sketch, fill in the numbers, and then you’ve completed a model piece of homework that should earn full marks and the teacher’s approval.

Step-by-step explanation:

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