trinitydavis123
trinitydavis123 trinitydavis123
  • 10-06-2021
  • Mathematics
contestada

The point (3, 18) is on the parabola y =
ax2. What
is the value of a?
A. 9
B. 2
C. -9
D. -2

Respuesta :

Аноним Аноним
  • 10-06-2021

Answer:

[tex]y = {ax}^{2} \\ 18 = (a \times {3}^{2} ) \\ 18 = 9a \\ a = 2[/tex]

Answer Link

Otras preguntas

Which one of the following comes first in an online catalog entry? A. Year of publication B. Call number of the book C. Author's last name D. Title of the b
what can geologist infer from the rounded and eroded shapes of the Appalachian Mountain A.the principle of uniformitarianism does not apply B.the mountain fo
1.There are 32 adults and 20 children at a shool play.Which of these ratios is not equivalent to the ratio of adults to children? A.16 to 10 B.24 to 15 C.48 to
explain in your own words when you would include more than the author's name and page number in a parenthetical citation.
Roman earns $1,735 each month and pays $53.10 for electricity. To the nearest tenth of a percent what percent, of Roman's earnings are spent on the electricity
mesophere plus thermosphere reflects radio waves. What is it called
Sodium is preferred over potassium in industrial applications because A. sodium salts are easily decomposed. B. potassium oxidizes more slowly in air. C. sodium
22 divided by y equals -2?
The diagonals of a polygon are lines that join any two nonadjacent vertices. The square has two diagonals, the pentagon has five, and the hexagon has nine. The
A government controlled by the people is called