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
aalyn [17]
3 years ago
8

Which is a zero of the quadratic function f(x) = 16x?? + 32x - 9?

Mathematics
1 answer:
STALIN [3.7K]3 years ago
6 0

Answer:

f(x) = 16x2 + 32x - 9

 

To find the "zeros", set f(x) = 0:

 

    0 = 16x2 + 32x - 9

 

The equation is solvable by factoring or by using the quadratic formula.  The factors (use the "ac" method) are:

 

    0 = (4x-1)(4x+9)

 

    x = 1/4 = 0.25 and x = -9/4 = -2.25

Step-by-step explanation:

You might be interested in
In which context will the inequality 4x + 5y > 80 have only integers in its solution set?
Rama09 [41]
I think the answer is D because all the other options have a decimal point e.g. $4.46, (I don't use pounds but I'm assuming it's something like 4 pound 46), 4 hours, 46 minutes. You simply cannot have 0.46 of a dog (unless you're very cruel.)

N.B. I only used 4.46 as an example, it's not the correct number.
3 0
3 years ago
Read 2 more answers
Please answer question 17. Explain the steps. (A bit urgent though)
gregori [183]
Angle a is 80, angle d is 100, angle c is 100

6 0
3 years ago
You have 2.5 pounds of egg whites.
Rufina [12.5K]

Answer:

15

Step-by-step explanation:

38/2.5=15.2

Round it to 15

4 0
3 years ago
A sofa regularly sells for $ 500 $500. the sale price is $ 475.00 $475.00. find the percent decrease of the sale price from the
maxonik [38]
5% decrease 495/500= .95, 1.00-.95= .05
3 0
3 years ago
Help me I need to pass so I can go on to the next thing plz someone help me. Will give brainliest!!​
expeople1 [14]
I think its 7 or 10 Dont remember that question
5 0
3 years ago
Other questions:
  • A study dealing with health care issues plans to take a sample survey of 1500 Americans to estimate the proportion who have heal
    7·1 answer
  • Name the corresponding sides and the corresponding angles
    13·2 answers
  • Can someone explain this to me pls
    15·2 answers
  • f(x)=x^3-3x^2-9x+4 find the intervals on which f is increasing or decreasing b. find the local maximum and minimum values of f.
    7·1 answer
  • Gonna need this in like 5 hrs please help
    5·1 answer
  • An athletics squad trains on a long straight track with dots marked at 10m intervals. The coach sets out cones on some of the do
    11·1 answer
  • HELP!!!!! PLEASE AND THANK YOU
    5·2 answers
  • What is the slope of y =4x -3
    15·1 answer
  • HELP I NEED HELP ASAP
    14·1 answer
  • Module 4 Pretest
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!