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den301095 [7]
3 years ago
7

Mattie uses the discriminant to determine the number of zeros the quadratic equation 0 = 3x2 – 7x + 4 has. Which best describes

the discriminant and the number of zeros?
Mathematics
2 answers:
OlgaM077 [116]3 years ago
7 0
The discriminant is
-7^2- 4(3)(4)
49-48
=1
It is greater than 0 and has 2 unequal real solutions
BabaBlast [244]3 years ago
4 0
Are there any answer choices

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4 years ago
Read 2 more answers
What is the average rate of change of the function over the interval x = 0 to x = 8?
goblinko [34]

Answer:

-13/400

Step-by-step explanation:

The pertinent formula is

                             change in f(x) over [a, b]        f(8) - f(0)

a. r. of change = --------------------------------------- = ----------------

                              change in x over [a, b]               8 - 0

Continuing these calculations, we get:

                               2(8) - 2              2(0) - 2        14/8           -2/8

                     (1/8) -------------- - (1/8) ------------- = -----------  -  -----------

                                5(8) - 6              5(0) - 6       40 - 6           -6

                         

                                                                                7/4       1/4

This simplifies to    average rate of change =      ------- - --------

                                                                                  34         6

                                                                                    7                 1

                                                                          =   ------------- - ---------- = -13/400

                                                                                   136             24

8 0
3 years ago
(5, 10.5) and (25, 12.5)
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What is the question u are asking
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4 years ago
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