Write an equation of the parabola in vertex form that passes through (-7, -15) and has vertex (-5, 9)
1 answer:
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Answer:
a)
Step-by-step explanation:
x + 2 = 3x + 6
-3x - 3x
___________
−2x + 2 = 6
- 2 - 2
_________
4 = −2x
_ ___
−2 −2
[Plug this back into both equations above to get the y-coordinate of 0];
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Answer:
1. 167.55
2. 10.77
Step-by-step explanation:
For #1 use the formula for volume of cone: , and for #2 use the Pythagorean Theorem: