This table represents a quadratic function. Х
у
1
3
3
-3
5
-5
7
-3
9
3
Which statement about this function is true?
A.
The value of a is positive, so the vertex is a maximum.
B.
The value of a is positive, so the vertex is a minimum.
C.
The value of a is negative, so the vertex is a maximum.
D.
The value of a is negative, so the vertex is a minimum.

step-by-step explanation:

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x coordinate can be written by using the formula, x= x1 + 2/5(x2 - x1)

step-by-step explanation:

formula

x = x1 + p/w(x2 - x1)

let the line segment ab with a(x1,y1) and b(x2,y2)

a point(x,y) divide ab in the ratio, 2: 3 the x coordinate can be written as

x = x1 + p/w(x2 - x1)

here p=2 and w = 2+3

therefore,

x coordinate can be written by using the formula, x= x1 + 2/5(x2 - x1)

similarly y coordinate y = y1 + 2/5(y2 - y1)

47

step-by-step explanation:

y-3=-3/2(x+4)

ur very much welcome