kaa0105
kaa0105 kaa0105
  • 01-04-2017
  • Mathematics
contestada

The area of a rectangle is y^2-4y-45 square inches. Which expression represents a possible length for the rectangle?

A y+5
B y+9
C y-5
D y-45

Respuesta :

charlottekrist
charlottekrist charlottekrist
  • 01-04-2017
1. Ask: Which two numbers add up to -4 and multiply to -45?
-9 and 5

2. Rewrite expression using the above
(y-9)(y+5)

3. Your answer:
Your answer will be a. Have a nice day :D
Answer Link

Otras preguntas

What does gear has very little to do with photography mean?
What is the theme of the passage? A Some risks are too great to take. B Even detailed plans can fail to work С Proper planning can help overcome any challenge.
What was the Roman Pantheons Purpose?
How to solve -(y+-6)=-1
A biome that has a large amount of rainfall, high temperature, and poor soil is a... A. temperate woodland B. temperate rain forest C. tropical rain forests
{Question Answered Please Move On}
Graph x < or = to -4.5 on the number line HELP ME PLS ASAP PLS PLZ PLS HELP
. Why does Ms. Maudie say "it's a sin to kill a mockingbird?"How do her words affect the reader's understanding of the story plot?
I need help with math
scale factor-1-1.25 width-8inches-A length-28inches-B The value of A is_____ 6.4 8.0 9.25 10.0 The value of B is____ 22.4 29.25 35inch 48inch I will mar