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
Shtirlitz [24]
4 years ago
6

Solve the given equation by using the quadratic formula: 2x^2-3x-4=0

Mathematics
2 answers:
kaheart [24]4 years ago
7 0
Let's solve your equation step-by-step.<span><span><span><span>2<span>x2</span></span>−<span>3x</span></span>−4</span>=0</span>Step 1: Use quadratic formula with a=2, b=-3, c=-4.<span>x=<span><span><span>−b</span>±<span>√<span><span>b2</span>−<span><span>4a</span>c</span></span></span></span><span>2a</span></span></span><span>x=<span><span><span>−<span>(<span>−3</span>)</span></span>±<span>√<span><span><span>(<span>−3</span>)</span>2</span>−<span><span>4<span>(2)</span></span><span>(<span>−4</span>)</span></span></span></span></span><span>2<span>(2)</span></span></span></span><span>x=<span><span>3±<span>√41</span></span>4</span></span><span><span>x=<span><span>34</span>+<span><span><span><span>14</span><span>√41</span></span><span> or </span></span>x</span></span></span>=<span><span>34</span>+<span><span><span>−1</span>4</span><span>√<span>41</span></span></span></span></span>
lara31 [8.8K]4 years ago
4 0
Thy answer you are looking for is:

X = \frac{3± \sqrt{41} }{4}
You might be interested in
Find the critical value zα/2 that corresponds to a 98% confidence level.
SVETLANKA909090 [29]

A critical value is the point on the scale of the test statistic (z test in this case) outside which we reject the null hypothesis, and is taken from the level of significance of the test. The critical values can be obtained from the standard distribution tables for z and for this case, it is equivalent to:

critical value zα/2 at 98% confidence level = 2.326

Answer: 2.326

<span> </span>

4 0
3 years ago
If a flight departs fromPittsburgh at 7:55 a.m. andarrives in San Diego at9:20 a.m., how long isthe flight? Use the timezone map
Rudik [331]

If a flight departs from Pittsburgh at 7:55 a.m. and arrives in San Diego at 9:20 a.m.,

How long is the flight?

SOLUTION

9. 20 am - 7. 55 am = 1 hour 25 mins

3 0
1 year ago
(g, 6) and (-5, -9)<br><br> Slope = 3/2
Nonamiya [84]

Answer:

g=5

Step-by-step explanation:

(-9)-(6) / (-5)-(g) = 3/2

3 x -(g+5) = 2 x -15

g+5=10

g=5

4 0
3 years ago
Read 2 more answers
An agency has started charging a user fee to park at selected trailheads and​ cross-country ski lots. Some users object to this​
Nesterboy [21]

Answer:

Users who park at the selected trailheads and​ cross-country ski lots. ; Convenience sampling

Step-by-step explanation:

A) The population of interest:

The population of interest should include the concerned individuals which would be those who park at the selected trailheads and cross-country ski lots.

B) By sampling the first 50 users encountered at each fee areas shows that the researcher prioritizes ease or convenience while choosing samples from a population. The first 50 fee users represents the most easily accessible users. Hence, the reason the adopted sampling method is called convenience sampling.

3 0
3 years ago
Help with 1 question please.
Svetllana [295]
I think its the 1st 1
4 0
4 years ago
Other questions:
  • If property damage due to erosion along the coast is $60 million each year, how many money would be spent in 4 years?
    15·2 answers
  • The sum of two numbers is 25. one number is twice the second number plus seven. what are the two numbers
    6·1 answer
  • HELPPOP PLEASEEEEEE!!!!!!!!!
    5·1 answer
  • Bridges in mathematics grade4 student book answer key
    6·1 answer
  • A game is played as follows: a die numbered 1 to 6 is rolled. If the number 1 comes up, you get nothing. If the number 2, 3, or
    5·2 answers
  • Point A has coordinate A(3, 2). The point is rotated 180° clockwise about the origin. What is the x-coordinate of point A’?
    5·2 answers
  • A wise man once said, "200 reduced by<br> twice my age is 60." What is his age?
    15·2 answers
  • Could someone please me find this answer
    14·1 answer
  • 14. Jeremy buys The New York Times from a newsstand for $2.50
    6·1 answer
  • Assuming there are no reflections or dilations explain how you would write the equation of the function whose graph is sketched
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!