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
luda_lava [24]
3 years ago
11

Explain the difference between quadratic equations with one solution, two solutions, and complex solutions

Mathematics
1 answer:
shusha [124]3 years ago
4 0
Recall that given the equation of the second degree (or quadratic)
 ax ^ 2 + bx + c
 Its solutions are:
 x = (- b +/- root (b ^ 2-4ac)) / 2a
 discriminating: 
 d = root (b ^ 2-4ac)
 If d> 0, then the two roots are real (the radicand of the formula is positive). 
 If d = 0, then the root of the formula is 0 and, therefore, there is only one solution that is real and of multiplicity 2 (it is a double root).
 If d <0, then the two roots are complex and, in addition, one is the conjugate of the other. That is, if one solution is x1 = a + bi, then the other solution is x2 = a-bi (we are assuming that a, b, c are real).
 One solution:
 A cut point with the x axis
 Two solutions:
 Two cutting points with the x axis.
 Complex solutions:
 Does not cut to the x axis
You might be interested in
A group of friends are hiking on trail Y when they reach an intersection with trial X. Trail X is perpendicular to train Y. If t
kati45 [8]
I believe the answer is C
3 0
3 years ago
Read 2 more answers
Write an equation for the line that passes through the points (0, -6) and (-3, 0).
Dmitry [639]

Answer:

\displaystyle y = -2x -6

Step-by-step explanation:

x-intercept → Plug in 0 for <em>y</em><em> </em>to get −3 for <em>x</em>

y-intercept → When <em>x</em><em> </em>is set equal to 0 [(0, −6)]

I am joyous to assist you anytime.

3 0
3 years ago
A boat is being towed such that the tow line is at an angle of 30° with respect to the surface of the ocean. If the boat is towe
pentagon [3]

Answer:

C. 303,000 Joules

Step-by-step explanation:

1. use abcos(theta)

a=50

b=7000

theta=30 degrees

2. (50)(7000)cos(30)=303,000

5 0
2 years ago
Read 2 more answers
3/7 times 0.1 divided by 5/21
Sati [7]

Answer:

0.000408163265306

Step-by-step explanation:

ITS SIMPLE JUST CACULATE IT

8 0
3 years ago
Read 2 more answers
What will be the result if the y-intercept of the line shown is changed to an 8, but the slope remains the same? Select one opti
kkurt [141]

Answer:2 down

Step-by-step explanation:

y-intercept is on 10 so if it said that it changed to 8 u subtract 2 which means it goes down

3 0
2 years ago
Other questions:
  • The length of TR is 17 units. What are the lengths of SV and QT? (please hurry i dont get this question) also i need each indivi
    13·2 answers
  • Triangle abc is a right triangle if side ac=7 and bc=10 whats the measure of side ab
    14·1 answer
  • SOMEONE PLEASE HELP ME ASAP PLEASE!!!​
    8·2 answers
  • Which quadrilaterals are classified as types of parallelograms
    8·1 answer
  • Use the table to find the slope.<br><br><br> -2<br><br><br> 2<br><br><br> 1/2<br><br><br> -1/2
    6·1 answer
  • How did my teacher get 11 for #17
    8·2 answers
  • What is the area of the semicircle?
    8·2 answers
  • Find product of :(2x-y)(2x+3y).​
    14·1 answer
  • Brian scored 92, 87 and 88 on three science tests. Write and solve an equation to find the score Brian will need on the fourth s
    5·1 answer
  • PLS HELP ASAP. QUESTION IN PICTURE
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!