WinfredVenturella465 WinfredVenturella465
  • 20-07-2015
  • Mathematics
contestada

If y = (x + 3)2, then (-2x - 6)2 must equal which of the following?
a. -4y2
b. -2y2
c. -4y
d. 4y

Respuesta :

naǫ
naǫ naǫ
  • 20-07-2015
[tex](-2x-6)^2=(-2(x+3))^2=(-2)^2 \times (x+3)^2=4(x+3)^2 \\ \\ y=(x+3)^2 \hbox{ so } 4(x+3)^2=4y[/tex]

The answer is D.
Answer Link

Otras preguntas

what do you call a field where animals live
absolute value of 2x+3<5
Which place depended on annual flooding to produce a constant surplus of food? A. Egypt B. Mesopotamia C. Both D. Neither
figurative language in Looking for Alaska
Find the 13th term of the binomial expansion of: (2x-4)^21 Please help :(
Nathan plants equal-sized squares of sod in his front yard. Each square has an area of 6 square feet. Nathan plants a total of 1,000 squares in his yard. What i
All of the following refer to the same religious order except___________. a. Holy Inquisition c. Defenders of Faith b. Society of Jesus d. Jesuits
According to Thomas Hobbes, who should rule a government?
How many grams of calcium bromide are in 50.0 mL of a 0.25 M calcium bromide solution?
50 is 15% of what number?