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LenKa [72]
3 years ago
9

If g(x) = - 2x² - 5x + 7, then what is the value of g(-2)?

Mathematics
1 answer:
uranmaximum [27]3 years ago
5 0

Answer:

16 + 10 + 7, which equals 33

Step-by-step explanation:

g(-2) means you need to replace all x's in the equation with -2. So the equation becomes:

-2(-2)^2 - 5(-2) + 7, which equals 16 + 10 + 7, which equals 33

Hope this helps!

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sdas [7]
Multiply both sides of the equation by 12. Move the variables to the left-hand side and change its sign. Move the constant to the left-hand side and change its sign. Collect like terms. Add the numbers. Divide both sides of the equation by 12.

1/2 x - 5= - 1/2 x + 19/4
6x -20= - 6x + 57
6x + 6x= 57 + 20
12x= 57 + 20
12x= 77
ANSWER
x = 77/12
Alternative Form .
x = 6 5/12, x= 6.416
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2 years ago
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Lerok [7]

Answer:

Thanks for asking!

Step-by-step explanation:

The answer would be 1.18 in decmial form and 1 9/50

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2 years ago
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Answer:

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Help anyone can help me do this question 2,I will mark brainlest.​
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Answer:

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