What is the greatest whole number that rounds to 621,860
1 answer:
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Answer:
1.
2. not completely sure but i think its
3.x = 2 i √ 5 , − 2 i √ 5
4.x = − 9 ± √ 73 /2
5. Im not sure...
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Answer:
-9, 15
Step-by-step explanation:
Subtract 7 and multiply by 4
1/4 |2x-6| +7 = 13
1/4 |2x -6| = 6
|2x -6| = 24
2x -6 = ± 24
2x = 6 ±24
x = 3 ±12
x = -9, 15
_____
For graphing purposes, it is often convenient to rewrite the equation so the solutions are where the function is zero. Here, we can do that by subtracting 13 from the equation.
(1/4 |2x -6| +7) -13 = 0
