Help if you can Please no links or false answers

Mathematics

2 answers:

Svetlanka [38]2 years ago

7 0

Answer:

1st option

Step-by-step explanation:

given a quadratic function in standard form

f(x) = ax² + bx + c ( a ≠ 0 ) , then

• if a > 0 , the function opens up and has a minimum

• if a < 0 , the function opens down and has a maximum

here a = $\frac{1}{2}$ > 0

then f(x) opens up and has a minimum

BARSIC [14]2 years ago

7 0

Answer:

Option A, open up and have a minimum

Step-by-step explanation:

<u>Step 1: Determine if it opens up or down</u>

Since the value of a is 1/2 which means that it's positive which also means that it opens up. When a parabola opens up, that means that it has a minimum.

The picture attached to this answer shows an example of how a graph would look when using this equation. If a was -1/2 then the parabola would be facing down and would have a maximum.

Answer: Option A, open up and have a minimum

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ipn [44]

Answer:

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Step-by-step explanation:

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3 years ago

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STALIN [3.7K]

So basically all you have to do is find the area of one of the smaller semi circles by using the formula for the area of a circle (A=πr^2). You know that the length of the larger semi circle's radius is equivalent to 6 cm because the radius of the smaller ones are 3 cm, meaning the diameter would have to be 6 cm and in this case, the length of the smaller semi circles' diameters is equal to the radius of the big semi circle. Then you would find the area of the big semi circle again by using the area of a circle formula, but after getting the answer you would half it, obviously because it's a semi circle. Subtract the are of the smaller semi circle you found earlier from the answer you just got and that's it ;) (you wouldn't have to half the area since there are two smaller semi circles and 1/2 + 1/2 = 1 but u knew that)

Put simply, the answer would be about 88.2644 cm because circles.

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3 years ago

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