SgtemiKekeyLynnsil SgtemiKekeyLynnsil

21-09-2016
Mathematics

Answered

Which is the quadratic variation equation for the relationship?

y varies directly with x2 and y = 72 when x = 6.

Ay = 12x

B.y = 4x2

Cy = x2 + 25

D.y = 2x2

Verified Answer :

taskmasters taskmasters

23-09-2016

We are asked to find the expression that is expressed as y varies directly with x^2.

y α x²

To convert it to equality,

y = kx²

We find the value of k by using the given values,

72 = k(6)²
k = 2

Therefore, the correct answer is option D, y=2x².

Answer Link

Related Questions

Find an equation for the nth term of the arithmetic sequence a14 33 a15 9

A cola company wants to test their cola against their biggest competitors cola They decide to randomly sample 150 people The results from their survey show tha

Question 8 of 15 00 6667 Points Select the word that correctly completes the sentence When the car pulled into the driveway the dog wagged tail A its B its C it

7p8p1259 find the p

What is physiological fitness means

The Grand Canal was built to connect athe Yellow Sea and the East China Sea bthe Yangtze River and the East China Sea cthe Huang He River and the Yangtze River

Why are synovial joints have greater flexibility than fixed and cartilaginous joint

Confucianism was adopted by what dynasty

How do you model a percent

How were the SovietAfghan War and the Vietnam War similar