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3 years ago

Which equation represents a quadratic function? y = x2 y = 2x y =1/x^2

Mathematics

1 answer:

ehidna [41]3 years ago

3 0

Answer:

y = x²

Step-by-step explanation:

A quadratic function is a polynomial function that has a variable to the power of 2 as the highest degree term. y = 1/x^2 is not a polynomial. y=2x is a linear function.

y = x^2 is a quadratic function

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Which of the following may fall outside a triangle?

algol [13]

Answer: B

Step-by-step explanation:

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1 year ago

What is 8 2/5 as a decimal number

Firdavs [7]

Answer:

8.4

Step-by-step explanation:

8 is a whole njmber, so it stays the same.

2/5 is equivalent to .4, so you put that at the end.

Your answer is 8.4 Hope this helps!

7 0

3 years ago

A young sumo wrestler goes on a special diet to gain weight.

Ilia_Sergeevich [38]

Answer:

10.8 kg

Step-by-step explanation:

w = 80 + 5.4t

At time 0, when he starts the diet, his initial weight is

w = 80 + 5.4(0)

w = 80

80 kg.

After 2 months, t = 2. His weight is

w = 80 + 5.4t

w = 80 + 5.4(2)

w = 80 + 10.8

w = 90.8

90.8 kg.

His gain in 2 months was 90.8 kg - 80 kg = 10.8 kg

Answer: 10.8 kg

8 0

2 years ago

Read 2 more answers

Classify the real number. <img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B15%7D%20" id="TexFormula1" title=" \sqrt{15} " alt="

lilavasa [31]

Answer:

<h2>Irrational </h2>

Step-by-step explanation:

Firstly, 

According to rational and irrational,

$\sqrt{15} \: is \: irrational$

Since,

Natural numbers, Whole Numbers and Integers all come under Rational number.

Hence,

 $\sqrt{15}$ 

Is an irrational number. 

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2 years ago

Which of the following terms is defined as a set of all points in a plane that are a given distance from a point? Circle Line se

natita [175]

Answer: a circle

Step-by-step explanation:

It’s not any of the other ones

6 0

3 years ago