subject
Mathematics, 18.04.2021 06:30 itscheesycheedar

Shana used a table to multiply the polynomials 2x + y and 5x – y + 3. Her work is shown below. A 3-column table with 2 rows. The first column is labeled 5 x with entries 10 x squared, 5 x y. The second column is labeled negative y with entries negative 2 y, negative y squared. The third column is labeled 3 with entries 6 x, 3 y. The first row is labeled 2 x and the second row is labeled y.
Muriel told Shana that one of the products in the table was incorrect.

Which value in the table is incorrect?

What is the value Shana should have written?

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 19:30
The table below represents the displacement of a fish from its reef as a function of time: time (hours) x displacement from reef (feet) y 0 4 1 64 2 124 3 184 4 244 part a: what is the y-intercept of the function, and what does this tell you about the fish? (4 points) part b: calculate the average rate of change of the function represented by the table between x = 1 to x = 3 hours, and tell what the average rate represents. (4 points) part c: what would be the domain of the function if the fish continued to swim at this rate until it traveled 724 feet from the reef? (2 points)
Answers: 2
question
Mathematics, 21.06.2019 19:30
Hi, can anyone show me how to do this problem? 100 points for this. in advance
Answers: 2
question
Mathematics, 21.06.2019 19:30
Louis wants to carpet the rectangular floor of his basement.the basement has an area of 864 square feet.the width of the basement is 2/3 it's length. what is the length of louis's basement
Answers: 1
question
Mathematics, 21.06.2019 20:10
Read the excerpt from the strange case of dr jekyll and mr. hyde what do dr. jekyll's thoughts reveal about him in this excerpt? [t]he inmates of my house were locked in the most rigorous hours of slumber, and i determined, flushed as i was with hope and triumph, to venture in my new shape as far as to my bedroom. i crossed the yard, wherein the constellations looked down upon me, i could have thought, with wonder, the first creature of that sort that their unsleeping vigilance had yet disclosed to he is jealous of those who can sleep through the night. he is revered for his scientific advances. he is interested in studying the movements of the stars he is proud and enthusiastic about his initial results.
Answers: 3
You know the right answer?
Shana used a table to multiply the polynomials 2x + y and 5x – y + 3. Her work is shown below. A 3-...
Questions
question
Mathematics, 30.10.2020 03:40
question
English, 30.10.2020 03:40
question
Mathematics, 30.10.2020 03:40
question
Mathematics, 30.10.2020 03:40
question
Chemistry, 30.10.2020 03:40
question
Mathematics, 30.10.2020 03:40
question
Mathematics, 30.10.2020 03:40
Questions on the website: 13722361