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
bazaltina [42]
4 years ago
9

Solve the equation x^3-5x^2+2x+8=0 given that -1 is a zero of f(x)=x^3-5x^2+2x+8

Mathematics
1 answer:
liraira [26]4 years ago
3 0
-1^3-5(-1)^2+2(-1)+8
-1-5-2+8
-6-2+8
-8+8=0
You might be interested in
Solve the equation square root X-6+2 = 6 for the variable. Show each step of your solution process
zhannawk [14.2K]
The first step would be to isolate the square root on the left side.  √x-6+2 = 6 √x-6 = -2+6  √x-6 = 4We would have to take away the radical on the left and square the equation.  (√x-6)2 = (4)2 x-6 = 16Finally, x -22 = 0 x = 22
3 0
4 years ago
Which expression is equal to (7 times 2)times 2
Lady bird [3.3K]
The answer is 28. 7x2=14 and then 14x2=28. Remember PEMDAS
7 0
3 years ago
What is the product in simplest form.
Alex787 [66]

Answer:

a)

-  \frac{9}{22}

7 0
3 years ago
9.25 the average score for Mrs Myles class was 70% of Mrs Jones i class test average score in Mr. Myles class
vodka [1.7K]
80.2 is the correct answer
3 0
3 years ago
0.2, 0.19,3/5 greatest to least
nasty-shy [4]
3/5=0.6

3/5, 0.2, 0.19
7 0
3 years ago
Read 2 more answers
Other questions:
  • X/2+5x−7 when x=2.<br> Solve please.
    8·1 answer
  • A block of southern pine wood has a mass of 54.6 g and density of 0.65 ​ g/cm3 ​ . The block is a rectangular prism with a lengt
    15·2 answers
  • Two less than 50% of x
    15·1 answer
  • Jordan is kayaking upstream. The following equation model his speed: f(x) = 2x2 − 4x − 9, where x is Jordan's speed relative to
    10·2 answers
  • Craig took a bus from a to point b. If the bus charges $5 plus 25cents per miles, Craig paid $17.50,how far did he travel?​
    10·1 answer
  • A rectangular cardboard has dimensions as shown. The length of the cardboard can be found by dividing its area by its width. Wha
    12·2 answers
  • Sue had 4 cos of sugar. she had to make 2 batches of brownies that needs 10/16 cup of sugar she also had to make 4 batches of su
    5·1 answer
  • Which of the following were the two types of constructions that were never accomplished by the Greeks using only a compass and s
    9·2 answers
  • Write an equation you could use for this word problem. Do not need to solve.
    11·2 answers
  • A bag holds 13 marbles. 6 are blue, 2 are green, and 5 are red. If you select two marbles from the bag in a row without replacin
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!