An online furniture store sells chairs for $150 each and tables for $600 each. Every day, the store can ship a maximum of 18 pie
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0.37 meters of netting
<h3>Further explanation</h3><u>Given:</u>
Mrs. Nguyen used 1.48 meters of netting to make 4 identical mini hockey goals.
<u>Question:</u>
How much netting did she use per goal?
<u>The Process:</u>
We will solve the problem of conversion or in other words the ratio or proportion.
Option A: the conversion
Mrs. Nguyen used 1.48 meters of netting to make 4 identical mini hockey goals.
Then for every 1 goal, she needs 0.37 meters of netting.
Because
Option B: the ratio (or proportion)
In the ratio, we process as follows:
Both are divided by 4.
Thus, she uses 0.37 meters of netting per goal.
Alternative problem
How much netting did she use for 8 goals?
meters of netting.
We cross out eight and four because they can be divided.
She uses 2.96 meters of netting to make 8 identical mini hockey goals.
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Keywords: Mrs. Nguyen, 1.48 meters of netting, to make 4 identical mini hockey goals, how much netting, she uses per goal, conversion, the ratio, proportion
Answer:
3.)
2.)
1.)
Step-by-step explanation:
3.) By the Rational Root Theorem, we would take the Least Common Divisor [LCD] between the leading coefficient of 1, and the initial value of −16, which is 1, but we will take 2 since it is the <em>fourth root</em> of 16; so this automatically makes our first factor of Next, since the factor\divisor is in the form of
, use what is called Synthetic Division. Remember, in this formula, −c gives you the OPPOSITE terms of what they really are, so do not forget it. Anyway, here is how it is done:
2| 1 2 −6 4 −16
↓ 2 8 4 16
__________________
1 4 2 8 0 →
You start by placing the <em>c</em> in the top left corner, then list all the coefficients of your dividend [x⁴ + 2x³ - 6x² + 4x - 16]. You bring down the original term closest to <em>c</em> then begin your multiplication. Now depending on what symbol your result is tells you whether the next step is to subtract or add, then you continue this process starting with multiplication all the way up until you reach the end. Now, when the last term is 0, that means you have no remainder. Finally, your quotient is one degree less than your dividend, so that 1 in your quotient can be an x³, the 4x² follows right behind it, bringing 2x right up against it, and bringing up the rear, 8, giving you the quotient of
However, we are not finished yet. This is our first quotient. The next step, while still using the Rational Root Theorem with our first quotient, is to take the Least Common Divisor [LCD] of the leading coefficient of 1, and the initial value of 8, which is −4, so this makes our next factor of Then again, we use Synthetic Division because
is in the form of
:
−4| 1 4 2 8
↓ −4 0 −8
_____________
1 0 2 0 →
So altogether, we have our four factors of
__________________________________________________________
2.) By the Rational Root Theorem again, this time, we will take −1, since the leading coefficient & variable\degree and the initial value do not share any common divisors other than the <em>special</em><em> </em><em>number</em> of 1, and it does not matter which integer of 1 you take first. This gives a factor of Then start up Synthetic Division again:
−1| 1 3 5 −3 −6
↓ −1 −2 −3 6
__________________
1 2 3 −6 0 →
Now we take the other integer of 1 to get the other factor of then repeat the process of Synthetic Division:
1| 1 2 3 −6
↓ 1 3 6
_____________
1 3 6 0 →
So altogether, we have our three factors of
Hold it now! Notice that is unfactorable. Therefore, we have to apply the Quadratic Formula to get our two complex solutions,
[or zeros in this matter]:
__________________________________________________________
1.) By the Rational Root Theorem one more time, this time, we will take 4 since the initial value is 48 and that 4 is the root of the polynomial. This gives our automatic factor of Then start up Synthetic Division again:
4| 1 −1 −16 4 48
↓ 4 12 −16 −48
___________________
1 3 −4 −12 0 →
We can then take −3 since it is a root of this polynomial, giving us the factor of
−3| 1 3 −4 −12
↓ −3 0 12
_______________
1 0 −4 0 →
So altogether, we have our four factors of and when set to equal zero, you will get
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