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Brilliant_brown [7]
3 years ago
9

The vertex form of the equation of a parabola is y=3(x-40)^2-22. What is the standard form of the equation?

Mathematics
1 answer:
Leya [2.2K]3 years ago
3 0
<span>y=3(x-40)^2-22
y = 3(x^2 - 80x + 1600) - 22
y = 3x^2 - 240x + 4800 - 22
y = 3x^2 - 240x + 4778

answer
</span><span> standard form of the equation
</span>y = 3x^2 - 240x + 4778
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6:20=9:30=3:10=18:60=16:160/3=12:40

Step-by-step explanation:

The question requires you to find value of x in the ratios given;

Start with the first pair

6:20 = 9:x

6/20 =9/x

6x=20*9

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The second pair after replacing the value of x=30 will be

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The fourth pair after replacing value of x=18 will be;

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The firth pair after replacing value of x=160/3 will be;

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16x = 160 * 4

x= (160 *4 )/16

x=40

⇒⇒ 16: 160/3 = 12: 40

Learn More

Ratios and proportions :brainly.com/question/9512748

Keywords : ratio, value of x, proportion

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