Mathematics, 22.06.2021 18:20 halbrookc7082

Kylie explained that (negative 4 x + 9) squared will result in a difference of squares because (negative 4 x + 9) squared = (negative 4 x) squared + (9) squared = 16 x squared + 81. Which statement best describes Kylie’s explanation? Kylie is correct.
Kylie correctly understood that it is a difference of squares, but she did not determine the product correctly.
Kylie did not understand that this is a perfect square trinomial, and she did not determine the product correctly.
Kylie determined the product correctly, but she did not understand that this is a perfect square trinomial.

Answers: 2

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 19:00

Solve the equation using the zero-product property. -3n(7n - 5) = 0 a. 0, -5/7 b. -1/3, -5/7 c. -1/3, 5/7 d. 0, 5/7

Answers: 2

Answer

Mathematics, 21.06.2019 19:10

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.

Answers: 3

Answer

Mathematics, 21.06.2019 19:30

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

Answers: 3

Answer

Mathematics, 21.06.2019 21:30

Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3

Answers: 1

Answer

You know the right answer?

Kylie explained that (negative 4 x + 9) squared will result in a difference of squares because (nega...

Questions

Mathematics, 30.01.2020 08:56

Doomtown is 300 miles due west of sagebrush and joshua is due west of doomtown. at 9 a. m. mr. archer leaves sagebrush for joshua. at 1 p. m. mr. sass...

Mathematics, 30.01.2020 08:56

Omggg plzzz i'll givr u a medal n fan u (the answer have to be right)