Question

Part A: Factor x2y2 + 6xy2 + 8y2. Show your work. (3 points)

Part B: Factor x2 + 8x + 16. Show your work. (3 points)

Part C: Factor x2 - 16. Show your work. (2 points)

Part D: Do the polynomials in parts A, B, and C have a common factor? Explain your answer. (2 points)

Answer 1

@ninjasandtigers can you help me go through this question please?

Answer 2

this is what i have for part A
Part A:
x^2y^2+6xy^2+8y^2
y^2(x^2+6x+8)
y^2(x+4)(x+2)

Answer 3

thats correct

Answer 4

Part B:
x^2+8x+16
(x+4)(x+4)

Answer 5

Part C:
x^2-16
(x+4)(x-4)

Answer 6

Part D:
they all have (x+4) in common

Answer 7

ok thank you so much!

Answer 8

welcome :)

Answer 9

do you mind helping me with one more?

Answer 10

as long as its one more haha

Answer 11

Kim is studying the sale of a particular brand of cereals from the year 2000 to 2010. She writes the following function to model the sale of the cereal S(t), in million dollars, after t years:

S(t) = t2 + 7t + 69

Part A: What does the y-intercept of the graph of the function represent? (4 points)

Part B: What is the reasonable domain of the graph of the function? (3 points)

Part C: What is the average rate of change of the sale of the cereal from the first year to the fourth year? Show your work. (3 points)

Answer 12

haha thats the last one i have left anyways

Answer 13

A: the sale of cereal at the start
B: 2000-2010
C:needs you to calcualte the the sale of year 1 and year 4, then find the change in sale price divide by 4

Answer 14

thank you i got it all!

Answer 15

welcome :)