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
Karolina [17]
3 years ago
12

What is the discriminant of the quadratic equation 9x2 – X – 8=0?

Mathematics
1 answer:
goldfiish [28.3K]3 years ago
5 0

Answer:

288

Step-by-step explanation:

a = 9

b = -1

c = -8

b^2 * -4 * ( a * c )

Just filing in the numbers given above:

-1^2 * -4 * ( 9 * -8 )

1 * -4 * ( -72)

1 * + 288 = 288

You might be interested in
Which is the reciprocal of the mixed number, 5 5/6 ?
kirill [66]

Answer:

6/35

Step-by-step explanation:

5 5/6 = 35/6, the inverse would be 6/35

3 0
3 years ago
Read 2 more answers
How many days are in a month
ser-zykov [4K]
It could be 30 to 31 but February has 28 expected from a leap year with 29 days 
7 0
3 years ago
Read 2 more answers
Paul is making loaves of raisin bread to sell at a fundraiser event. The recipe calls for one third cup of raisins for each loaf
Dafna1 [17]
He will have a fourth of a cup raisins left over<span />
7 0
3 years ago
Sal bought 2 shirts and a hat. Sal remembers each shirt was $10, and the total was $50. Which equation helps answer the question
Oksana_A [137]

Answer: the hat= $30. The equation you would use to solve is 2s+h=50

Step-by-step explanation:

2s+h=50

2(10)+h=50

20+h=50

-20. -20

h=30

3 0
3 years ago
Use factoring to solve the quadratic equation. 2x^2=5X+3
prohojiy [21]
Move everything to one side
Equation
2x^2 - 5x -3 = 0
Sq rt means square root or radical sign
Quadratic equation-> x = - (b) +/- Sq rt b^2 -4ac
2a
- (-5) +/- Sq rt (-5)^2 - 4(2)(-3)
2 (2)
5 +/- Sq rt 25 + 24
4
Sq rt 29 = 5.38
5 + Sq rt 29 divides over 4 and 5 - Sq rt 29 divides over 4.
4 0
3 years ago
Other questions:
  • Ayden had a goal of finishing painting at least 80%80\% 80% 80, percent of the 500500 500 500 square meters of a house's walls b
    12·1 answer
  • 4. A school has 100 windows. On a cool day 95 of the windows were closed. Which decimal represents the amount of windows that we
    7·2 answers
  • 50 POINTS!!!!!!! WILL MARK BRAINLIEST! NO COPY/PASTE! TWO TO THREE SENTENCES AND EXPLAIN! WILL REPORT STUPID ANSWERS! According
    6·1 answer
  • I need help with this math work
    11·1 answer
  • Which best describes the meaning of the term theorem? A.A statement that is easily deduced from a proven theorem B.A conclusion
    5·1 answer
  • A theater can seat 120 people. The number of rows is 7 less than the number of seats in each row. How many rows of seats are the
    11·1 answer
  • For every 9 customers, the chef prepares 2 loaves of bread. How many loaves are needed for 63 customers?
    8·2 answers
  • Which question can be answered by finding 2 1/2 divided by 2/3
    14·2 answers
  • What type of number is 18.62
    8·1 answer
  • Explain due today I will give brainlist and two thanks ,pls help
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!