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zheka24 [161]
2 years ago
9

If the zeros of a quadratic function are 3 and 8, what are the factors of the function? 3and (x – 3) B. (X- 8) and (x + 3) O C.

(X + 8) and (x + 3) 00. (X - 8) and (x-3) Reset Next​
Mathematics
1 answer:
bagirrra123 [75]2 years ago
7 0

Answer:  Choice D

(x - 8) and (x - 3)

===============================================

Explanation:

The term "root" is the same as "zeros of a function".

If 3 is a root, then x = 3 leads to x-3 = 0 after subtracting 3 from both sides.

If 8 is a root, then x = 8 leads to x-8 = 0 for similar reasoning

Use of the zero product property allows us to combine those two rules into the following

(x-3)(x-8) = 0

This shows that the two factors are (x-8) and (x-3)

The order of the factors doesn't matter because we can multiply two numbers in any order.

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mariarad [96]
<span> write out all the factors of each number or draw out a factor tree

24:1,2,3,4,6,8,12,24

44:1,2,4,11,22

the GCF is the largest number in both the lists so in this case it is 4 </span>
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What is the value of a in a/5 + 3= 8
OLga [1]

Answer:

Step-by-step explanation:

what is the value of a in a/5 + 3= 8

a/5 + 3= 8

a/5 = 8 - 3

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The cost (c) to hire a dog trainer is varies directly with the amount of time (h) in hours spent training the dog.
NNADVOKAT [17]

Answer:

Part A) The proportional equation is c=55h

Part B) 8 hours of training

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form y/x=k or y=kx

Let

c -----> the cost to hire a dog

h ----> the amount of time in hours

The linear equation is equal to

c=kh

Sue spent $660 on 12 hours of obedience training for her dog Muffin

Find the value of k (constant of proportionality)

k=y/x

substitute the values

k=660/12=55

therefore

The linear equation is

c=55h

For c=\$440

Find the value of h

substitute in the equation and solve for h

440=55h

h=440/55=8\ hours

5 0
3 years ago
PLS ANSWER QUICK
stich3 [128]

Answer:

A Between 1.43 in. and 1.47 in.

Step-by-step explanation:

If the circumference is between 9 and 9.25 inches, and we know that circumference equals 2 * pi * radius, we can solve to find that the radius equals the circumference divided by 2pi. So we get between 1.43 in and 1.47in

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Artemon [7]
1.) 3.5% * 500 = 17.5

2.) 70.0% * 50 = 35.0

3.) 25.0% * 440 = 110.0

4.) 10.0% * 46 = 4.6
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