SOLUTION: Good Evening, I desperately need help solving this problem: Graph each parabola by hand, and check using a graphing calculator. Give the vertex, axis, domain, and range.

Question 813722: Good Evening,
I desperately need help solving this problem:
Graph each parabola by hand, and check using a graphing calculator. Give the vertex, axis, domain, and range.
[ y = -3x^2 + 24x - 46 ]
You're a life saver!
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
y = -3x^2 + 24x - 46
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the above quadratic equation is in standard form, with a=-3, b=24, and c=-46
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to solve the quadratic equation, plug this:
-3 24 -46
into this: https://sooeet.com/math/quadratic-equation-solver.php
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vertex is a maximum at ( 4, 2 )
axis is x = 4
domain is all real numbers
range is all real numbers <= 2
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graph:
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https://sooeet.com/math/linear-equation-solver.php
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Solve quadratic equations, quadratic formula:
https://sooeet.com/math/quadratic-formula-solver.php
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Convert fractions, decimals, and percents:
https://sooeet.com/math/fraction-decimal-percent.php
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Calculate and graph the linear regression of any data set:
https://sooeet.com/math/linear-regression.php
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