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

Select the linear equation represented in the graph.
How much string would you need to go around the bottom of a hat shaped like a cone if the radius is 4 inches? (Use 3.14 for π) A) 12.56 inches B) 25.12 inches
Blossom Machine Works produces soft serve ice cream freezers. The freezers sell for $17,000, and variable costs total $12,800 per unit. Blossom incurs $13,490,0
Please help!!!!!!!!!!!!!!!!!!!!!!
the general solution to y'=2x(y^2+1)
What did the enlightenment thinkers questioned? ​
A certain brand of coffee comes in two sizes. An 11.3-ounce package costs $2.54. A 27.8 ounce costs $6.78. Find the unit price for each size. Then state which s
Bianca earned $399.60 after working for 18.5 hours. How much did she earn for one hour?​
In the Barringer/Ireland business model template, business mission, basis of differentiation, target market, and product/market scope are the items that compris
Venice was located between which two continents?