1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
olasank [31]
3 years ago
5

If f(x)=x^2-3x,find f(-18). Show work

Mathematics
1 answer:
scoundrel [369]3 years ago
6 0
Answer: 378

-------------------------------------
-------------------------------------

Work Shown:

f(x) = x^2 - 3x
f(x) = ( x )^2 - 3*( x )
f(-18) = ( -18 )^2 - 3*( -18 ) ... replace every x with -18; now use PEMDAS
f(-18) = 324 - 3*( -18 )
f(-18) = 324 + 54
f(-18) = 378

You might be interested in
Verify that the segment lengths form a triangle. Is the triangle acute, right, or obtuse?
spin [16.1K]

the triangle is a right angle triangle

8 0
3 years ago
Read 2 more answers
Need help on this asap
Studentka2010 [4]

The dotted line represents y = x


area below this is y < x


Also y < 4 ( below the horizontal dotted line


Its choice C.

3 0
3 years ago
Read 2 more answers
This is a question in statistics. Please answer with an explanation, thanks!
Liula [17]

Answer:

ewfd

Step-by-step explanation:

ewxd

4 0
4 years ago
So im in 7th grade and all of my grades are good like they're at a's b's and c's except for math so will i pass the 7th grade bt
larisa [96]
It depends if math is a d or f. if its a d, maybe. if its a f, no chance.
7 0
3 years ago
Can someone help me with #3? Please and thank you.
irga5000 [103]
The answer is 42 cause you do ( 18*28=12x) wich is 504=12x which equals 42
8 0
4 years ago
Read 2 more answers
Other questions:
  • Find m∠E to the nearest degree.
    8·2 answers
  • The perimeter of the trapezoid shown is 6x+2 units. Find the length of the missing side.
    11·1 answer
  • SOMEONE PLZ HELP ME!!!!!
    14·1 answer
  • If it is -25°F in Rontel Illinois and it is 75°F in Honolulu Hawaii what is the temperature difference between the two cities
    5·2 answers
  • The variable x represents the number of angelfish Carlos bought and the variable y represents the number of parrotfish he bought
    11·1 answer
  • *PLEASE ANSWER* What is the value of d if the volume of Prism f is 99 cubic units?
    7·1 answer
  • Someone please help me ASAP! Worth 10 points
    9·2 answers
  • WILL MARK BRAINLY FOR WHO EVER ANSWER FIRST
    14·2 answers
  • there are 5 tables in the library.four students are sitting at each table. how many students are sitting in the library?
    10·1 answer
  • Find the missing side b. Round your answer to the nearest tenth if needed
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!