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VladimirAG [237]
3 years ago
14

PLEASE HELP PLEASE I BEG OF YOU ITS DUE IN 30 MINUTES

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
4 0

Answer:

3) (2,3) is the vertex

4) minimum value

5) vertex: (-1,5) axis of symmetry: -1 y-intercept: (0,3)

6) vertex: (-2,-3) axis of symmetry: -2 y-intercept:(0,1)

Step-by-step explanation:

the vertex is the coordinates at the very top or bottom of the parabola

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Answer:

1. f= 3/5

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Step-by-step explanation:

FYI you can use the app photo math, you just take a pic of the problem and it gives you the answer and explains the steps and it is free.

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Step-by-step explanation:

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The answer is 5,-2,-3 but i need help with steps that make sense
olga nikolaevna [1]

\left\{\begin{array}{ccc}x+3y-z=2\\4x+2y+5z=1\\3x+z=12&\to z=12-3x\end{array}\right\\\\\text{substitute the value of z to the first and second equation}\\\\\left\{\begin{array}{ccc}x+3y-(12-3x)=2\\4x+2y+5(12-3x)=1\end{array}\right\\\\\left\{\begin{array}{ccc}x+3y-12+3x=2&|+12\\4x+2y+60-15x=1&|-60\end{array}\right\\\\\left\{\begin{array}{ccc}4x+3y=14&|\cdot2\\-11x+2y=-59&|\cdot(-3)\end{array}\right

\underline{+\left\{\begin{array}{ccc}8x+6y=28\\33x-6y=177\end{array}\right}\ \ \ \ |\text{add both sides of the equations}\\.\ \ \ \ \ \ \ 41x=205\ \ \ \ |:41\\.\ \ \ \ \ \ \ x=5\\\\\text{substitute the value of x to the first equation}\\\\4(5)+3y=14\\20+3y=14\ \ \ \ |-20\\3y=-6\ \ \ \ \ |:3\\y=-2\\\\\text{substitute the value of x to the equation:}\ z=12-3x\\\\z=12-3(5)=12-15=-3\\\\x=5,\ y=-2,\ z=-3\to(5,\ -2,\ -3)

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4 years ago
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