Is y=x squared +2 a linear function

Answers

Answer 1

Answer: No, this would not be a linear function. Being linear means it creates a straight line, but this function has an x squared. Anytime x^2 is in a function, the graph is a u shape, called a parabola. A simple linear function is y=x :D

Answer 2

Answer: y=x^2 + 2 is not a linear function. This is because the x has power. If it was only x then it would be linear function. So x^2 +2 is quadratic function. However if it was x^3, it would be quadratic; it would be cubic. Therefore fore only x squared is quadratic.

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Suppose y varies directly with x write a direct variation equation that relates x and y when y =6 and x=12 then find the value of y and x=10

Answers

Y=5 because 6 times 2 is 12. 5 times 2 is 10

Jacob has four cabin bags. He wants to determine which cabin bag is the heaviest. The actual mass of the cabin bags is shown below:Bag A B C D
Mass (in kg) 5.65 5.59 5.63 5.60

If the weighing machine measures to the nearest tenth of a kg, which bag will not be the same mass as the others?
Bag A
Bag B
Bag C
Bag D

Answers

Bag A, because 5.65 would be rounded up to 5.7, while 5.59, 5.63, 5.60 would be rounded to 5.6

Dels anyone know this? (Im just starting algebra now

Answers

Answer:

1)3

2)77

3)28

4)11

5)7

6)40

7)108

8)7

Step-by-step explanation:

You just have to find what the variable equals.

All these answers are correct

Answer:

1=3

2=77

3=28

4=11

5=7

6=40

7=108

8=7

Step-by-step explanation:

replace the letters with the numbers it says it equals then do the equation like you would normally.

The 6th graders at Mahone Middle School are raising money for a new flowerbed in front of the school. For every $10 raised by the students, a local business owner will match 50%. If the students raise $139, is it reasonable that they will have $240 after the money is matched?

Answers

no it is not reasonable at all. after i did the math i got 208.5 dollars no where near 240!.
so this is not reasonable.

no it is not reasonable
50%=50/100
so...
50/100*139/1=6950/100
so...
divide 6950 by 100 and get 69.5
so...
add 139 to 69.5 and you get 208.5

Hope this helps

A system of equations is shown below:y = 3x − 7
y = 2x + 1

What is the solution to the system of equations?
(8, 17)
(−8, 17)
(−8, −17)
(8, −17)

Answers

Answer:

Solution (8 , 17).

Step-by-step explanation:

Given : y = 3x − 7 and y = 2x + 1 .

To find : What is the solution to the system of equations.

Solution : We have given

y = 3x − 7 --------(1)

y = 2x + 1 ---------(2).

Plug the value of y of equation 2 in equation 1.

2x + 1 = 3x - 7.

Subtracting both sides by 1

2x + 1 - 1 = 3x - 7 - 1.

2x = 3x - 8.

On subtracting both sides by 3x.

2x -3x = - 8.

-x = -8

On Dividing both sides by -1

x = 8.

Now plug the x = 8 in eq 1.

y = 3(8) -7.

y = 24 - 7.

y = 17.

Solution (8 , 17).

Therefore, Solution (8 , 17).

X = 8 and Y = 17 so the answer is A (8, 17)

Y= F(x)=(-2) find f(x) when x is -3

Answers

f(x)= -2 means that with any value of x, f(x) will be the same and equal -2.
So, f(-3)=-2.

And also, f(-1)=f(4)= -2, and so on.

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