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Bogdan [553]
2 years ago
5

PLEASEE HELPPP

Mathematics
1 answer:
Levart [38]2 years ago
5 0
Answer can be 5 or below
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Find the vertex of the quadratic function
Galina-37 [17]

Answer:

(1.5,2.5)

Step-by-step explanation:

f(x) = 2x^2 - 6x + 7

Take the first derivative and set it equal to 0 (the slope is 0 at the vertex)

f'(x) = 4x -6

0 = 4x - 6

4x = 6

x = 3/2 or 1.5

If x = (3/2), then y = 2(3/2)^2 - 6(3/2) + 7

y = 2(9/4) - 18/2 + 7

y = (9/2) - 2

y = 2.5

See attached graph.

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The answer is three!!!!!!!!!!!
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<span>5x + 20 = -5x
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Anyone know? Will mark brainliest if correct!
almond37 [142]

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B

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using the two points, you can find the slop using rise over run. For every two up, you go three over to the left. Your slope is -2/3, which means the only possible answer is B

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