glendaward88351

28.01.2020 • 

Mathematics

1. which of the following is the equation of the axis of symmetry for the function? y = x2 -4x + 8
a. x = -4
b. x = 2
c. y = -2
d. y = 2x
2. this function has how many solutions? 4x2 = 0
a. 2
b. 1
c. 0
3. which is the set of roots for the equation? x2 + 3x - 18 = 0
a. {18,-1}
b. {-2,9}
c. {-6,3}
d. {9}

Ответ:

debrielcalderon

16.01.2022

Mathematics

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1 a 2 a 3 d or c because 9times 2 =18 or 6times3=18

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Ответ:

P4thing

23.02.2022

Mathematics

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Value of x = 5

Step-by-step explanation:

Given:

x + 4 = 3(x - 2)

Find:

Value of x

Computation:

x + 4 = 3(x - 2)

⇒ x + 4 = 3x - 6

⇒ x = 3x -6 - 4

⇒ x - 3x = -10

⇒-2x = - 10

⇒ x = -10 / - 2

Value of x = 5

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