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
scoray [572]
3 years ago
15

2x2−3x−4=0 Solve using the quadratic formula.

Mathematics
1 answer:
Luden [163]3 years ago
4 0

Answer:

Step-by-step explanation:

2x2−3x−4=0

For this equation: a=2, b=-3, c=-4

2x2+−3x+−4=0

Step 1: Use quadratic formula with a=2, b=-3, c=-4.

x=

−b±√b2−4ac

2a

x=

−(−3)±√(−3)2−4(2)(−4)

2(2)

x=

3±√41

4

You might be interested in
PLZ HELP QUIK!!! Which mathematical symbol would best fill in the blank to compare the two real numbers?
ch4aika [34]
The square root of 2 < 1.8 repeating. This is because the square root of 2 is about <span>1.41421356237, which is less than 1.8888888888888888888888888888888888888888888888....</span>
3 0
4 years ago
Read 2 more answers
Use the number line to plot the numbers. Then arrange them in order from smallest (1) to largest (4). V0.2 V0.4​
m_a_m_a [10]

Answer:V0.2=3. V0.4=4. 0.2=1. 0.4=2

Step-by-step explanation:

3 0
4 years ago
Which of the following best describes the use of the formula S = (n- 2)180°,
Amanda [17]

Answer:

It is used to find the sum of the interior angles in a regular polygon.

Step-by-step explanation:

5 0
3 years ago
Can someone pls answer
Stella [2.4K]

Answer:

101

Step-by-step explanation:

41+38=79

180-79=101

3 0
3 years ago
<img src="https://tex.z-dn.net/?f=%2814%20-%203i%29%20-%20%2820%20%2B%202i%29" id="TexFormula1" title="(14 - 3i) - (20 + 2i)" al
alukav5142 [94]

Answer:

-16-5i

Step-by-step explanation:

add real number together and imaginary numbers together

also, distribute the negative for the second parentesis

(14 -3i)-(20+2i)

distribute negative

14-3i-20-2i

add real and imaginary numbers

-16-5i

4 0
3 years ago
Other questions:
  • Mikayla evaluated the expression 0.86 × 23.4 using the steps shown below.
    7·2 answers
  • determine the volume of a rectangular box with a length of 5 inches, a height of 7 inches, and a width of 9 inches.
    11·1 answer
  • A helium ballon is tied to a sign 6 feet off the ground. Once untied, it will rise at a rate of 4 feet per second. Create an equ
    9·1 answer
  • 7. [2 marks] Let A {1, {0}}. Find P(A).
    11·1 answer
  • Difference between 29.035 and -36,196
    7·2 answers
  • Given the function f(x) = 8x - 1 what is the corresponding value when x= -1/2
    10·1 answer
  • Help asp! i will give branilest i think thats how you spell it
    7·1 answer
  • The distance, y, in miles, traveled by a car for a certain amount of time, x, in hours, is shown in the graph Which of the follo
    5·1 answer
  • Find the measures of the missing angles <br><br><br><br> Help pleaseee
    9·2 answers
  • A shoe store developed the following estimated regression equation relating sales to inventory investment and advertising expend
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!