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PSYCHO15rus [73]
3 years ago
9

What is a quadratic function?

Mathematics
1 answer:
ycow [4]3 years ago
3 0
C - F(x)= 5x^2-4x+5

Quadratic function equations have an x raised to the second power and makes a parabola when graphed. B could potentially also be right depending on who you ask because x is being raised to the second power but since the equation says 0x it means there is no x to be raised to the second power so i would say C.
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What value of b makes the polynomial x2+bc+16 a perfect square
Fynjy0 [20]
For a perfect square

b² = 4*a*c

Comparing ax² + bx + c = 0 to x² + bx + 16

a = 1,    c = 16

<span>b² = 4*a*c
</span>
<span>b² = 4*1*16
</span>
<span>b² = 64
</span>
b = √64

b = 8

The value of b = 8.
3 0
3 years ago
A 5-pound bag of cat food costs $11.25.What is the unit price of the cat food in dollars per pound?
morpeh [17]
The cat food costs $2.25 per pound
6 0
3 years ago
Read 2 more answers
Which expression has a value of 7/12<br> A. 6/8+1/4<br> B. 1/3+1/4<br> C. 7/8+4<br> D. 2 1/12+5 1/12
denis-greek [22]

Answer:

C

Step-by-step explanation:

cuz

7 0
3 years ago
Read 2 more answers
3 Fred is making a fruit salad. The ratio
marusya05 [52]

Answer: 24 cups.

Step-by-step explanation:

Let be "x" the amount of cups of peaches  that Fred will need to make 60 cups of  fruit salad.

According to the information given in the exercise, you know that the ratio of cups of peaches to cups of cherries is the one shown below:

2:3

Which can also be written as a fraction:

\frac{2}{3}

Then, if he uses 2 cups of peaches and 3 cups of cherries, he will get 5 cups of fruit salad.

Knowing the above, you can set up the following proportion:

\frac{2}{5}=\frac{x}{60}

Now you must solve for "x" in order to find its value. This is:

(60)(\frac{2}{5})=x\\\\x=24

5 0
3 years ago
Choose the correct simplification of the expression a^7b^8/a^4b^4
Alex787 [66]
The answer is B: a^3b^4<span>

Proof:
Simplify the following:
(a^7 b^8)/(a^4 b^4)

Combine powers. (a^7 b^8)/(a^4 b^4) = a^(7 - 4) b^(8 - 4):
a^(7 - 4) b^(8 - 4)

7 - 4 = 3:
a^3 b^(8 - 4)

8 - 4 = 4:
Answer:  a^3 b^4

PS: I just wish that you put the equation down as it's intended i.e.
a^7b^8/a^4b^4 is not the same as (<span>a^7b^8)/(a^4b^4)</span>
</span>
4 0
3 years ago
Read 2 more answers
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