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3 years ago

Which represents a quadratic function?

Mathematics

1 answer:

Lera25 [3.4K]3 years ago

7 0

Answer:

Step-by-step explanation:

Okay! So before we do this, first we have to understand the function. The function is,

y = ax^2 + bx + c, where a does not equal to 0.

The answer is not A, since bx is bx^2 which is incorrect.

The answer isn't C, since there isn't an ax^2 or a bc.

The answer isn't D since there a can't be 0.

The only correct answer is B, for it has all the parts.

x^2 + 2x -5.

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James just bought juice for his class party. The label says there are 925 milliliters of juice in each container.

Bad White [126]

<span>I believe that this would be an equation for this...y = 925 / z

Hope this helps!!
</span>

5 0

4 years ago

Read 2 more answers

Allison is rolling her hula hoop on the playground. The radius of her hula hoop is 35 cm. What is the distance the hula hoop rol

lidiya [134]

Answer:

Distance covered by hula hoop rolls in 4 full rotations is 880 cm .

Step-by-step explanation:

Formula

$Perimeter\ of\ a\ circle = 2\pi r$

Where r is the radius of the circle.

As given

Allison is rolling her hula hoop on the playground.

The radius of her hula hoop is 35 cm.

r = 35 cm

$\pi = \frac{22}{7}$

Putting the value in the formula

$Perimeter\ of\ a\ hula hoop = 2\times \frac{22}{7} \times 35$

= 220 cm

As given

The hula hoop rolls in 4 full rotations.

Distance covered by hula hoop rolls in 4 full rotations = 220 × 4

= 880 cm

Therefore the Distance covered by hula hoop rolls in 4 full rotations is 880 cm .

6 0

4 years ago

For a fixed amount of a gas at a constant temperature, the volume of the gas is inversely proportional to its pressure. At a pre

Veronika [31]

we know that

A relationship between two variables, x, and y, represent an inverse variation if it can be expressed in the form $y*x=k$ or $y=k/x$

Let

x-------> the pressure in PSI

y------> the volume of the gas in cubic inches

In this problem we have the point $(30,600)$

$x=30\ psi\\y=600\ in^{3}$

Find the constant k

$y*x=k$

substitute the values of x and y

$600*30=k$

$k=18,000\ lb*in$

the equation is

$y=18,000/x$

therefore

<u>the answer is</u>

$y=18,000/x$

4 0

3 years ago

Read 2 more answers

If x is the midpoint of ZW, then ZX=XW

sasho [114]

Answer:

True.

Step-by-step explanation:

By definition of a mid point, it is located in the middle of two connected points. This means that the split is equal on both sides.

IF X is the midpoint of ZW, then ZX = XW.

4 0

3 years ago

Class A rented 2 filled vans and 7 buses with 407 students. B rented and filled 1 van and 7 buses with 389 students. How many st

almond37 [142]

Answer: 1 van can hold 18 people, and 1 bus can hold 53 people.

What we know: Class A rented 2 filled vans and 7 buses with 407 students.

Class B rented and filled 1 van and 7 buses with 389 students.

What we need to know: How many students can a van carry? How many students can a bus carry?

Equation A: 2v + 7b = 407

Equation B: 1v + 7b = 389

Variables used: v = amount of people that can fill a van and b = amount of people that can fill a bus

This is quite a simple equation, because we know that class A used 1 more van than Class B, and the question says that each vehicle was full. So, all you have to do it subtract 389 from 407 to get 18. That means that 1 can can hold 18 people.

Now you just plug it in to find the value for b, 1(18) + 7b = 389

7b = 371

b = 53

So the amount of people that can fit on a van is 18, and the amount of people that can ft on a bus is 53.

5 0

3 years ago