Answer:
-9m - 4 + 2m = -9 - 7m + 5
-7m - 4 = -7m - 4
-7m + 7m = -4 + 4
0 = 0
This is an identity solution because the same number equals the same number. That means there's an infinite set of solutions.
7x - 49 = y
Add 49 to both sides
7x = y + 49
Diving both sides by 7
x =(y + 49)/7
2. You see them in your face:
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≅
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To sum up, <em>corresponding parts of congruent triangles are always congruent</em> [<em>CPCTC</em>].
1. The edge and angle markings of both triangles represent all corresponding parts. Each angle and edge corresponds with another angle and edge.
I am joyous to assist you at any time.
Answer:
Here we have the equation:
y = 4*x^2 - 4*x - 1
And we should have the graph (you can see it below this answer)
Now we want to find the solutions of:
4*x^2 - 4*x - 1 = 0
These solutions will be the two values of x at which the graph of our function intersects the line y = 0, that is the x-axis.
Then we need to find the two values of x at which our graph intersects the x-axis.
In the graph, we can estimate the solutions as:
x = -0.2
x = 1.2
To find the exact solutions we can use the Bhaskara's equation, and we will find that the solutions are given by:
Then the two solutions are:
x = (4 + 5.66)/8 = 11.2075
x = (4 - 5.66)/8 = -0.2075
Answer:
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