Find a quadratic function in standard form for each set of points

1 answer:

5 0

For 1 the equation of the parabola is y = x^2 - 8x + 3
For 2 the equation of the parabola is y = -2x^2 - 3x + 1
For 3 the equation of the parabola is y = -x^2 + 5x - 4

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Solve: -5√x= -15 a: x=-9 b: x= -7 c: x=9 d: x=7

babymother [125]

Divide both sides by -5
Sqrt(x) = 3
We want to isolate x to solve for it. The opposite of a square root is a square, so square both sides.
x = 9
It can't be -9 because the square root of negative numbers are not real numbers.

4 0

2 years ago

Read 2 more answers

7 - 12c = 43 show work and check plz

Svetradugi [14.3K]

The answer is -3

-12c = 43 - 7
-12c = 36
÷ -12 ÷-12
c = -3

4 0

2 years ago

SERIOUSLY HELPPPPPPPP

AlekseyPX

9514 1404 393

Answer:

as x increases, f(x) decreases;
as x decreases,f(x) decreases

Step-by-step explanation:

The function is of even degree with a negative leading coefficient. f(x) will tend toward negative infinity as x gets larger or smaller. That is ...

as x increases, f(x) decreases;
as x decreases,f(x) decreases

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Even degree means the end behaviors are the same for both large and small x. Negative leading coefficient means the function value decreases for larger x.