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2 years ago

How many turning points will a quartic fumction with four real zeros have?

Mathematics

1 answer:

DochEvi [55]2 years ago

8 0

upto four roots or zero......

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The point A(-2, 3) is translated using T: (x,y) = (x + 4, y + 2).

Charra [1.4K]

Answer: Choice D) $2\sqrt{5}$

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Work Shown:

Point A starts at (-2,3) and moves to (2,5) after applying the translation rule of "shift 4 to the right, 2 up".

Use the distance formula to find the distance from (-2,3) to (2,5)

$d = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2}\\\\d = \sqrt{(-2-2)^2 + (3-5)^2}\\\\d = \sqrt{(-4)^2 + (-2)^2}\\\\d = \sqrt{16 + 4}\\\\d = \sqrt{20}\\\\d = \sqrt{4*5}\\\\d = \sqrt{4}*\sqrt{5}\\\\d = 2\sqrt{5}\\\\d \approx 4.472136\\\\$

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3 years ago

Could someone give me some advice?

Nata [24]

Don’t stress. try taking a nap. or watching a movie. Or listen to calming music.

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3 years ago

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What is the answer?<br><br> Y=x-6 and y=2x

Rashid [163]

$\begin{cases}y=x-6\\y=2x\end{cases}\implies~x-6=2x\implies~x=-6$

which means

$y=x-6=y=-6-6=-12$

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3 years ago

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Equation that has solutions x = -2 and x = 8

VLD [36.1K]

If you were to solve this equation you would get answers of x=-2 and x=-8

3 0

3 years ago

Sam started a dog-walking business. He charges $5 for each dog for a thirty-minute walk. How much dor

solong [7]

Answer: $\$10,\ \$5$

Step-by-step explanation:

(a) Given

Sam charge $5 for each dog for a thirty minute walk

For an hour which is double the thirty minutes, it must be double of the same charge.

$\Rightarrow 2\times 5=\$10$

(b)Given

With $20, Christie sells 100 cups of lemonade with a quarter per cup charge

For 100 cup, she generate a revenue of

$\Rightarrow \dfrac{1}{4}\times 100\\\\\Rightarrow \$25$

So, she earns $25-20=\$5$ that is , her profit is $\$5$

7 0

2 years ago