tyre2k17
tyre2k17 tyre2k17
  • 03-04-2017
  • Mathematics
contestada

2. Evaluate the expression for a = –1 and b = 5. Show your work.
5a – 7b + b2

Respuesta :

BenjaminG123
BenjaminG123 BenjaminG123
  • 02-01-2018
Greetings!

Input the values which represent the variables:
[tex]=5a-7b+b^2[/tex]

[tex]=5(-1)-7(5)+(5)^2[/tex]

Solve
following the Order of Operations:
[tex]=5(-1)-7(5)+25[/tex]

[tex]=-5-7(5)+25[/tex]

The Answer Is:
[tex]\boxed{-15}[/tex]

I hope this helped!
-Benjamin
Answer Link

Otras preguntas

1. By the time Cheryl went to bed, she (finished, had finished) reading Moby Dixk. a. finishedb. had finished​
Help me I need the answer ASAP ! Aundrea painted the background of a square mural on the wall using 138ft^2 of paint .which measurement is closest to the side
Write an equation in slope-intercept form (y = mx + b). Passing through (2, -3) with a slope of 5/3.
Help wanted! What is the sum of 88x+12x?
Can anyone help me please
A graduated cylinder had 20mL of water. A sample of pyrite was placed in the cylinder and the volume moved to 35 mL. What is the volume of the pyrite?
Describes what makes an argument effective. Support you answer with an example from a course reading or your own experience.
A tutor is not allowed to help you with?A.skill learned in years past B.test-taking strategies C.memorizing information that might be on a testD. none of these​
blance equation __CaBr2 (aq) + ___Li3PO4(aq) → ___Ca3(PO4)2(s) + ____LiBr (aq)
PLEASE HELP ME!I have a really hard time with algebra 2 and I really need to pass:(