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 is the least common denominator for 5/6 and 3/8. 3/4 and 6/7
what is a high structure part of a church which has 5 letters
Mini-Project: Cents and the Central Limit Theorem 1. Collect a sample of at least 50 pennies by setting aside all the pennies you receive in change for severa
What were the major causes of WWII? Please include at least 4 answers.
in the number 13,407.036 there are two 3's. Explain how the values of the 3's are related.
What were the major causes of WWII? Please include at least 4 answers.
what is a high structure part of a church which has 5 letters
The function of the eardrum in the middle ear is to
What is the amplitude of y=1/2 sin2x
you have a standard deck of 52 cards. you pick one card and then, with out putting the first card back, you pick a second card. what is the probability that bot