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
Len [333]
4 years ago
9

when asked to factor the trinomial x^2-18x+81 a student gives the answer (x-9(x+9) which of the following statements is true

Mathematics
2 answers:
Alex17521 [72]4 years ago
5 0

the answer is incorrect; the plus sign should be a minus sign

charle [14.2K]4 years ago
3 0

(x - 9)(x + 9) would give you x^2 - 81 when you get a plus and minus like that after you factor the middle term is canceled out so the answer would be (x - 9)^2

You might be interested in
B+b-1+b+b+10=___b+9<br> whats the blank spot??​
nirvana33 [79]
4b+9 is the answer just add up the b’s
3 0
3 years ago
ASAP! GIVING BRAINLIEST! Please read the question THEN answer correctly! No guessing.
Elza [17]

Answer:

C. F(x) = 0.4^2-1

Step-by-step explanation:

Since the function is being subtracted by 1, this means it will shift 1 unit downwards. When the number being multiplied to the function is less than one, it widens, which in this case the number 0.4 is less than 1.

4 0
3 years ago
30. Justify Reasoning The quotient of two negative integers results in an integer. How does the value of the quotient compare to
Ratling [72]
The quotient of 2 negative integers results in an integer.
-4/-2 = 2
the value of the quotient is positive whereas, the value of the original 2 integers are both negative. The reason being, is that when u divide two negatives, u get a positive.
6 0
3 years ago
The manager of a night club in boston stated that 95% of the customers are between the ages of 21 and 27 years. if the age of cu
11111nata11111 [884]
95% of a normal distribution lies within ±1.96 standard deviations of the mean. That is, ±3 years represents ±1.96 standard deviations, so ...
.. the standard deviation is 3/1.96 = 1.53 years.
5 0
3 years ago
I’m having trouble with geometry, if anyone could help me i would appreciate it :)
KIM [24]
All the answers are labeled in picture below. Good luck.

4 0
3 years ago
Other questions:
  • How many feet are in 84 inches??
    13·1 answer
  • Maxine recorded the number of hours she worked and how much she earned each week for 4 weeks in the table below. How much money
    9·2 answers
  • The band is selling 50 hats for a fundrasier. Each hat is being sold for $12. The hats cost a total of $400. If they sell all th
    10·1 answer
  • Sam bought brushes for $8, a palette for $5, and oil paints for $15. He paid $29.82 in all. What sales-tax rate did Sam pay?
    10·2 answers
  • What is the simplified value of the exponential expression 27 1/3 ?<br> 1/3<br> 1/9<br> 3<br> 9
    12·2 answers
  • Which of the following is represented by MN ?
    9·2 answers
  • 1. Your buy a shirt that is on sale for 30% off. The cost of the shirt is $32. What is the sale price of the shirt?
    12·1 answer
  • Plsplspls help 22 points and brainly ONLY ANSWER IF YK THE ANSWER TY!! :)
    12·1 answer
  • Write an explicit formula for each recursive formula I need Help ASAP
    15·1 answer
  • SUPER EASY AND ILL GIVE BRAINLIEST
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!