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Tanya [424]
3 years ago
15

The discriminant of a quadratic equation is negative. One solution is 3+4i . What is the other solution?

Mathematics
2 answers:
Fiesta28 [93]3 years ago
4 0
I believe the correct answer from the choices listed above is option B. <span>The discriminant of a quadratic equation is negative. One solution is 3+4i . The other would be 3-4i. Hope this answers the question. Have a nice day.</span>
LenaWriter [7]3 years ago
3 0

Answer: Option B 3-4i is the correct option

Explanation:

we have formula for discriminant D=b^{2}-4ac

after that we find the required variable that is to be find according to the quadratic equation given suppose we have to find x

then we have formula x=\frac{-b\pm\sqrt{D}} {2a}

Here we have \pm of roots if we have one root 3+41 other would be of opposite sign and hence,definitely be 3-4i.

Therefore Option B 3-4i is the correct option.

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Bag A contains 3 white marbles and 2 red marbles. Bag B contains 6 white marbles and 3 red marbles. A person draws
mr_godi [17]

Answer:

\frac{2}{5}

Step-by-step explanation:

Bag A:

White = 3

Total = 3 White + 2 Red = 5

Prob (white marble from A) = \frac{3}{5}

Bag B:

White = 6

Total = 6 White + 3 Red = 9

Prob (white marble from B) = \frac{6}{9}

Prob (white from Bag A and white from Bag B)

= Prob (white marble from A) x Prob (white marble from B)

= \frac{3}{5} x \frac{6}{9}

= \frac{2}{5}

8 0
3 years ago
Find the missing factor. 5s^2+23s+24=(s+3)()
prisoha [69]

Answer:

23

Step-by-step explanationthats too easy

5 0
3 years ago
Kendra has $ 7.35 in nickels and quarters. If she has 15 more quarters than nickels, how many of each coin does she have?
lozanna [386]

x*5 - quarter amount

(x+15)*25- nickels amount

(x*5)+((x+15)*25)=735

5x+25x+375=735

30x=735-375

30x=360

x=360/30=12 - number of nickels

x+15=12+15=27 - number of quarters

CHECK

12*5=60 ¢

27*25=675 ¢

675+60=735 ¢ or $7.35

5 0
4 years ago
Need help ASAP !!
aleksley [76]

The missing expression should be for Step 3 is [(25 + 3)/0.5] - 16.4 ÷ 4 and the missing expression should be for Step 6 is 56 - 4.1

<h3>Part A: Explain what the missing expression should be for Step 3</h3>

To do this, we make use of the expression in step 2

The expression in step 2 is

[(5^2 + 3)/0.5] - 16.4 ÷ 4

The next step at this stage is to evaluate the expression 5^2

So, we have:

[(25 + 3)/0.5] - 16.4 ÷ 4

Hence, the missing expression should be for Step 3 is [(25 + 3)/0.5] - 16.4 ÷ 4

<h3>Part B: Explain what the missing expression should be for Step 6.</h3>

To do this, we make use of the expression in step 5

The expression in step 5 is

56 - 16.4 ÷ 4

The next step at this stage is to evaluate the expression 16.4 ÷ 4

So, we have:

56 - 4.1

Hence, the missing expression should be for Step 6 is 56 - 4.1

Read more about expressions at:

brainly.com/question/723406

#SPJ1

4 0
1 year ago
Can you find the slope-intercept equation between each pair of coordinate points and type the correct code? Please remember to t
Annette [7]

Answer:

Step-by-step explanation:

4 0
3 years ago
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