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lubasha [3.4K]
3 years ago
10

Find the discriminant of 2x square + x - 6 is equal to zero?​

Mathematics
1 answer:
Igoryamba3 years ago
7 0

Answer:

When the discriminant value is zero, we get one real solution; When the discriminant value is negative, we get a pair of complex solutions; Standard Form. The standard discriminant form for the quadratic equation ax 2 + bx + c = 0 is. Discriminant, D = b 2 – 4ac. Where. a is the coefficient of x 2. b is the coefficient of x. c is a constant term.

Estimated Reading Time: 50 secs

Step-by-step explanation:

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Answer the following questions CORRECTLY I will know if this is wrong. I WILL REPORT ANY INCORRECT ANSWERS!
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Answer by JKismyhusbandbae: This is not a function because the two in the domain area is paired with 21 and 25. A function is basically whenever there is no domain that repeats.

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1.7km = how many centimeters
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The equivalent of 1.7 km to centimeters is 170000 Because if 1 km is equal to 1 and 7 is equal to 700000 then the equivalent of 1.7 km is 170000 That's it
6 0
4 years ago
Find the average rate of change of f(x) = 4x² – 3 from 3 to 9.
Lina20 [59]

Answer:

44

Step-by-step explanation:

Given:

f(x) = 4x^2 - 3

Required:

Average range of change from 3 to 9

SOLUTION:

Step 1:

Find f(3) and f(9):

To find f(3), replace x with 3 in the given function

f(3) = 4(3)^2 - 3

f(3) = 4(9) - 3

f(3) = 36 - 3

f(3) = 33

To find f(9), replace x with 9 in the given function

f(9) = 4(9)^2 - 3

f(9) = 4(81) - 3

f(9) = 324 - 3

f(9) = 321

Average rate of change = \frac{f(b) - f(a)}{b - a}

Where,

a = 3, f(a) = 33

b = 9, f(b) = 321

Plug in the values into the formula for average rate of change.

= \frac{321 - 33}{9 - 3}

= \frac{288}{6}

= 44

Average rate of change = 44

3 0
3 years ago
7.C.J. says the quotient of -3/4 divided by 1/4 is - 1/3
Elanso [62]

The correct quotient is -3

The mistake CJ likely made is multiplying using the reciprocal of -3/4. The correct option is d. He multiplied using the reciprocal of -3/4

From the question,

We are to determine the correct quotient.

The given division operation to be carried out is -3/4 divided by 1/4

The correct quotient can be determined as shown below

-\frac{3}{4} \div \frac{1}{4}

Multiply -\frac{3}{4} by the reciprocal of \frac{1}{4}

The reciprocal of \frac{1}{4} is  \frac{4}{1}

Then, we get

-\frac{3}{4} \times \frac{4}{1}

This gives

-\frac{12}{4}

= -3

The correct quotient is -3

The mistake CJ likely made is multiplying using the reciprocal of -3/4.

Hence, the correct quotient is -3

The mistake CJ likely made is He multiplied using the reciprocal of -3/4. The correct option is d. He multiplied using the reciprocal of -3/4

Learn more here: brainly.com/question/13124034

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3 years ago
2 questions plz answer<br><br> i need help!<br> will do brainliest answer and Thanks
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1. 9
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I hope this helped! #Sobangcha
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