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MArishka [77]
2 years ago
11

Which expressions simplify to a rational answer? Select each correct answer

Mathematics
1 answer:
taurus [48]2 years ago
7 0

Answer:

first and last one

Step-by-step explanation:

first one would be 12 and last one is 10

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Use graphing to find the solutions to the system of equations.
Galina-37 [17]
In order to utilize the graph, first you have to distinguish which graph accurately pertains to the two functions.

This can be done by rewriting the equations in the form y = mx + b which can be graphed with ease; where m is the slope and b is the y intercept.

-x^2 + y = 1
y = x^2 + 1

So this will be a basic y = x^2 parabola where the center intercepts on the y axis at (0, 1)

-x + y = 2
y = x +2

So this will be a basic y = x linear where the y intercept is on the y axis at (0, 2)

The choice which depicts these two graphs correctly is the first choice. The method to find the solutions to the system of equations by using the graph is by determining the x coordinate of the points where the two graphed equations intersect.
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2 years ago
Need help with this math question <br>will give 5 stars and mark best<br>​
Stolb23 [73]
I used similarities in triangles

5 0
2 years ago
A system of two equations is shown.
Delvig [45]

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x=-2;y=-7

Step-by-step explanation:

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y=3x-1

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Identify the equation in slope-intercept form for the line containing the point (2,1) and parallel to y=5/3x−1/3.
Murljashka [212]

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Step-by-step explanation:

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