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
HACTEHA [7]
3 years ago
6

What are the zeros of the polynomial function f(x)=x^2-x-20

Mathematics
1 answer:
Sidana [21]3 years ago
6 0

Answer:

x=5 or x= -4

Step-by-step explanation:

hello :

f(x)=x²-x-20

solve : x²-x-20 =0

(x-5)(x+4)=0

x-5=0 or x+4=0

x=5 or x= -4

You might be interested in
Help please I just need a couple so I can remember how to do this with explanation please I'll give brainliest :)
nekit [7.7K]
1. 18,000 x 1.03 (3% increase) either type 1.03 into your calculator 25 times or use an exponent ↓↓↓↓↓↓↓
18000 x 1.03^25 (25 years past)  =37,688.00 
7 0
3 years ago
Keegan deposited $700 into his bank account. After one year, his bank account balance was $761.60. What interest rate did he ear
ikadub [295]

Answer:

8.8%

Step-by-step explanation:

We first divide the new amount by the original and close it with brackets.

Our one year will be shown as 1/1 as an indices

(761.60/700)^1/1

= 1.088

We then convert it to 0.088 and times it by 100.

0.088×100= 8.8% Compound interest rate.

This is correct as:

700×1.088= 761.6

Have a nice day! :)

7 0
3 years ago
What is the angle measure of the smaller angle ? (Geometry)
Zina [86]

Answer:

85

Step-by-step explanation:

2x+192=180

2x= -12

x= -6

-6+91= 85

4 0
3 years ago
Which expression represents the calculation the sum of x and 8 is divided by 6?
abruzzese [7]
(x+8) / 6. X + 8 is in parenthesis, because it must be done before dividing by 6.
4 0
3 years ago
What is the answer tom10t=90
vitfil [10]

9..divide both sides by 10 cross out the 10 over 10 leaves 9

7 0
3 years ago
Read 2 more answers
Other questions:
  • Find the volume and surface area of a sphere with radius 1 yards. Round your answer to two decimal places.
    6·1 answer
  • How many feet in a mile? 1640 1290 1760 5280
    9·2 answers
  • a map of Australia has a scale of one centimeter equals 110 kilometers if the distance between Darwin and Alice Springs is 1444
    12·1 answer
  • On Monday, it took Helen 3 hours to do a page of science homework exercises. The next day she did the same number of exercises i
    15·1 answer
  • Find the value of two numbers if their sum is 12 and their difference is 4
    7·1 answer
  • Someone please help me
    15·2 answers
  • Which set of coordinates describes a function?
    15·1 answer
  • 1. The perimeter of a piece of paper is 18 cm.
    10·1 answer
  • How many minutes are there in a day?
    6·2 answers
  • (9y+5x) (9y-5x)<br> Simplify your answer.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!