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
When the solution to x2 − 11x + 5 is expressed as 11 plus or minus the square root of r, all over 2, what is the value of r? x e
soldi70 [24.7K]

Answer:

C = 101

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
2 While solving the equation 4(x+2) = 28, Becca
mrs_skeptik [129]
Distributive, if you do 4 times x and 4 times 2 you get 4x+8
3 0
3 years ago
Read 2 more answers
Needddd helpppppp !!!
ser-zykov [4K]
B. I’m pretty sure. Since the arrow is pointing towards the S which is at the beginning.
3 0
3 years ago
Read 2 more answers
Please help me with this
Tamiku [17]

Answer:

20%

hope it helps you

8 0
2 years ago
Volume of a sphere <br> 10 inch radius
Setler79 [48]

Answer:

r≈1.34 and the volume is 10

Step-by-step explanation:

8 0
2 years ago
Other questions:
  • Please someone help I know how to find the quotient but I don't know if I have to put an addition sign in the middle of each ter
    10·1 answer
  • Is 16/14 and 64/60 equivalent?
    13·2 answers
  • 2x+3=-7 what does x equal
    5·1 answer
  • Bowie used 1/6 cup of rasperries and 1/5 cup of blueberries to make a berry smoothie. How much fruit did he use in total?
    11·2 answers
  • Find the axis of symmetry and the vertex of the graph f(x)=2x-4x
    12·1 answer
  • Alyssa plans to borrow $3,180 at 6.5% for 3.5 years . Find the amount of simple interest she should expect to pay.
    5·1 answer
  • Find the perimeter of a rectangle that has a length of 2x +7 and a width of 5x.
    6·2 answers
  • You move left 4 units and right 3 units. You end at (-2, -1). Where did you start?
    8·1 answer
  • I need to find what x is equal to
    8·1 answer
  • What is ∑n=17(10n+90) equal to?<br><br> Enter your answer in the box.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!