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olga55 [171]
3 years ago
14

Calculate the discriminant: 4x² + 3x − 2 = 0 Enter your answer in the box.

Mathematics
1 answer:
lianna [129]3 years ago
4 0

Answer:

D=41

Step-by-step explanation:

4x² + 3x − 2 = 0

To find the discriminant we need to use formula

D = b² - 4 ac

Quadratic equation in general form:

ax² + bx + c = 0

4x² + 3x − 2 = 0

We can see that

a = 4, b = 3 , c = -2

So, D = 3² - 4*4*(-2) = 9 +32 = 41

D = 41 is positive , so given equation has 2 real solutions.

If D = 0 , there is  1 real solution.

If D< 0 , then there is no real solutions.

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Which expression is undefined?
slavikrds [6]

Answer: C

Work: So, after you simplify that equation, it's 8/0. You Cannot divide zero like that. You can divide 0/8, but you can't with 8/0. I hope this wasn't to confusing, and <em>Happy Holidays! :)</em>

6 0
3 years ago
Which equations represents this line in point slope form
sergij07 [2.7K]

Answer:

udzufzgodyosogsogsogdgozoyd

Step-by-step explanation:

giigdgdooydogdkgddyoyddigdifocic sorry

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7 0
2 years ago
If ​P(A)=0.9​, ​P(B)​=0.1, and A and B are​ independent, find​ P(A and​ B).
sweet [91]

According to the given statement;

If ​P(A)=0.9​, ​P(B)​=0.1, and A and B are​ independent, ​ P(A and​ B)=0.09

<h3>What is probability of event?</h3>

The area of mathematics known as probability deals with numerical representations of the likelihood that an event will occur or that a proposition is true. An event's probability is a number between 0 and 1, where, roughly speaking, 0 denotes the event's impossibility and 1 denotes certainty. The likelihood that an event will occur increases with its probability. A straightforward illustration is tossing a fair (impartial) coin. Since there are no other possible outcomes and the coin is fair, the odds of both the outcomes, "heads" and "tails," are equally likely to occur. As a result, the probability of either outcome is half.

<u>According to the given value;</u>

P(A) = 0.9

P(B) = 0.1

A and B independent;

We know that independent

P(A∩B) = P(A) · P(B)

             = (0.9)*(0.1)

             =0.09

P(A∩B) =0.09

hence, If ​P(A)=0.9​, ​P(B)​=0.1, and A and B are​ independent, ​ P(A and​ B)=0.09

To more about probability of event, visit

brainly.com/question/17089724

#SPJ9

6 0
2 years ago
Find the output, y, when the input, x, is 7<br><br> Y=2x-3
Darina [25.2K]

Answer: 11

Step-by-step explanation:

2(7)-3

14-3

11

5 0
3 years ago
Helpppppppp asap please with calculations pls pls pls
bonufazy [111]

Answer:

For the first one it is y = -5x because for it to be direct it can't have a b-intercept. it must start at 0.

Second question: y2 - y1/x2 - x1

13-(-8)/(-4)-3

21/(-7)

-3 is the slope

y= -3x + b

13 = -3(-4) + b

13 = 12 + b

12 - 13 = b

b = -1

y=-3x-1

0 = -3x - 1

1 = -3x

1/-3 = -3x/-3

x= -1/3

y=-3x-1

y=-3(0)-1

y= -1

The answer to the 3rd question is y = 1x + 2 because the rise over run is one and the line crosses the y-intercept at 2.

I am not sure if these answers are correct.

5 0
3 years ago
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