mishkaallam13 mishkaallam13
  • 09-02-2019
  • Mathematics
contestada

Prove that the expression (y+8)(y–7)–y(y+1) is negative for any value of y.

Respuesta :

Аноним Аноним
  • 09-02-2019

Answer:

See below.

Step-by-step explanation:

(y+8)(y–7)–y(y+1)

= y^2 + y - 56 - y^2 - y

= -56.

So whatever the value of y the expression will be  -56 which  is negative.

Answer Link
destinystar16 destinystar16
  • 09-02-2019
Y to the 3rd power subtracted by -57
Answer Link

Otras preguntas

Lines K and P are perpendicular, neither is vertical and P passes through the origin. Which is greater? a. The product of the slopes of lines K and P. b. The
Who killed Julius Caesar
In a solution of salt and water, which component is the solute? a. salt b. water c. beaker d. oxygen c
Which geologic feature does not occur at a convergent boundary? a. trench b. mountain c. rift valley d. volcano
Which of the following equations has both 2 and -4 as solutions
Name for tools that map makers use to help readers interpret information on maps
for Carolina's birthday her mom took her and her for friends to the water park Carolina's mom paid $40 for 5 student tickets. what was the price for one student
how do I convert a fraction to decimals
What do all scientists call the huge slabs that form the earths crust?
You are pushing on a heavy door, trying to slide it open. If your friend stands behind you and helps you push, how have the forces changed? a. The net force ap