prestonestby prestonestby

03-11-2016
Mathematics

contestada

The line of symmetry for the quadratic equation y = ax2 + 8x - 3 is x = 4. What is the value of "a"?

Respuesta :

Ammimochi Ammimochi

03-11-2016

Solve for a by simplifying both sides of the equation, then isolating the variable.
a = -8/x + 3/x^2 + y/x^2

Answer Link

Otras preguntas

What is the average of 30, 40, and 80?

how do you figure out what is 1/4 of 10.

Most autotrophs make “food” through the process of a. photosynthesis. b. homeostasis c. chemosynthesis d. cellular respiration

Which of the following are examples of trisomy? Turner Syndrome, Down's syndrome, or Klinefelter's Syndrome

If a circle is cut from a square piece of plywood, how much plywood would be left over? Use 3.14 for pi

A boy can swim 75 feet in 12 seconds. What is his rate to the nearest mile per hour?

A test cross with an organism with a homozygous recessive genotype results in 50% of the offspring exhibiting the recessive trait. What is the genotype of the t

how do you figure out what is 1/4 of 10.

A test cross with an organism with a homozygous recessive genotype results in 50% of the offspring exhibiting the recessive trait. What is the genotype of the t

A test cross with an organism with a homozygous recessive genotype results in 50% of the offspring exhibiting the recessive trait. What is the genotype of the t