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
DENIUS [597]
2 years ago
8

Solve 2x2 – 3x = 12 using the quadratic formula.

Mathematics
1 answer:
icang [17]2 years ago
8 0

Quadratic Formula: (-b +/- sqrt(b^2 - 4ac)) / 2a

2x^2 - 3x = 12

2x^2 - 3x - 12 = 0

a = 2

b = -3

c = -12

(--3 +/- sqrt( (-3)^2 - 4(2)(-12) )) / 2(2)

3 +/- sqrt( 9 + 96 ) / 4

3 +/- sqrt(105) / 4

Answers: \frac{3 + \sqrt{105} }{4}, \frac{3 - \sqrt{105} }{4}

Hope this helps!

You might be interested in
8) A total of 1456 people attended a high school football game. The cost was $5 for adults and $2.50 for students. If the
MAXImum [283]

Answer:

the answer is 762 adults and 694 students.

Step-by-step explanation:

762 x 5.00 = 3810

694 x 2.50 = 1735

now add 3810 + 1735 = 5545

8 0
3 years ago
PLEASE FAST 10 POINTS
Karolina [17]

Answer:

6. 5 % is the answer

Step-by-step explanation:

formula =

<em>R</em><em> </em><em>=</em><em> </em><em>I</em><em> </em><em>×</em><em> </em><em>1</em><em>0</em><em>0</em><em> </em><em>/</em><em> </em><em>P</em><em> </em><em>×</em><em> </em><em>T</em>

4 0
3 years ago
The hands of a clock form the same angle at various times of the day. For example, the angle formed at 2:00 is congruent to the
Oliga [24]
It is 2 inches long this is because of the length of the hands .
8 0
3 years ago
Place 1/5 on the number line below .
Georgia [21]
Right next to the zero van I heht brainleist please

3 0
3 years ago
1258 rounded to the nearest thousands
GarryVolchara [31]
The answer to your problem is 1300.
5 0
3 years ago
Read 2 more answers
Other questions:
  • Help please i don't understand °∧° ∧.∧
    10·1 answer
  • What is 3 1/10 rounded to the nearest 1/2
    10·1 answer
  • Consider the figure below complete the statement angel dam is
    14·1 answer
  • I don't understand the short vowels in the first syllable. Please help With number 5
    6·2 answers
  • find the total thickness of two pieces of wood that a carpenter glued together IF one piece is 6/16 inches thick and the other p
    11·1 answer
  • Determine the common factors and HCF for each of the following terms.
    13·1 answer
  • -7/6 or -11/15<br>which is the greatest?​
    6·2 answers
  • A knife is 3x the cost of a spoon9 spoons and 12 knives cost £82.80Work out the cost of 1 knife
    10·1 answer
  • 2/3y + k = j. Solve for y
    11·1 answer
  • There are 5 girls and 3 adults in Rileys field trip group.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!