Answer:
Last Choice / D
Step-by-step explanation:
you want to isolate v!
E = 1/2 m v^2
multiply both sides by 2
2E = mv^2
divide both sides by m
2E/m = v^2
square root both sides
v = ±
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Which quadratic function in vertex form can be represented by the graph that has a vertex 3.-7) and posses
1 answer:
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Answer:
791.2 ft
Step-by-step explanation:
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Answer:
x = 3 or -3
Step-by-step explanation:
So you have the equation x² - 9 = 0
Move the 9 to the other side: x² = 9
Then take the square root of both sides: = ±
x = ± = ±3
x = 3 or -3