List the roots for each quadratic. 1)
2)
3)
TO
A
Tell whether the graph of each parabola would open up (MIN) or open down (MAX).
5) y = -3x + 6x 6) 8x² - y = 16
7) y - x + 2x?: .4 8) -4x? - 2y = 10.8x

what is the graph

step-by-step explanation:

step-by-step explanation:

for exempl this   system of equations   y = x - 3

                                                                y = 2x - 5

look   the line : y = x -3     ( red)

                            the line : y = 2x -5 ( bleus)

ending amount = beginning amount / (2^n)

where "n" = number of half-lives (or elapsed time / half-life)

ending amount = 50 mg / (2 ^10 / 5.3)

ending amount = 50 mg / (2 ^ 1.8867924528)

ending amount = 50 m / 3.6981210597

ending amount = 13.5203794557 mg

or about 13.5 mg remain

source: