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konstantin123 [22]
3 years ago
7

Which of the following cannt be solved using the quadratic formula?

Mathematics
1 answer:
Katarina [22]3 years ago
8 0

Answer:

C. 2x+3=0 cannot be solved using the quadratic formula.

Step-by-step explanation:

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Mrs. Avery's class ate 1/5 of their green pepper pizza and 9/12 of their pepperoni pizza. Which pizza did they eat more of?
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So what you have to do is make the denominators equal. You do that by finding out what number they can both go into which is 60. 12 can go into 60 5 times and so you have to do 9/12 times 5 which is 40/60. then 5 goes into 60 12 times so you have to do 1/5 times 5 which is 12/60. Then you see that 40/60 >12/60 therefore the class ate more of the pepperoni pizza
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Find the product of<br> (x2 + 3x + 1)(x2 + x + 2)
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Answer: x^4+4x^3+6x^2+7x+2

Step-by-step explanation:

To solve the exercise you must apply the following proccedure:

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- Add like terms.

Therefore, you obtain the following product:

=x^{(2+2)}+x^{(2+1)}+2x^2+3x^{(1+2)}+3x^{(1+1)}}+6x+x^{2}+x+2\\=x^4+x^3+2x^2+3x^3+3x^2+6x+x^2+x+2\\=x^4+4x^3+6x^2+7x+2

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True or false? Do the following set of ordered pairs represent a function {(8,1),(0,-1),(9,4),(-6,-7),(8,9)}
Anika [276]
Hi there!

Unfortunately, the set of ordered pairs does NOT represent a function! This is because there are two of the same x values. In a function, there is one input for every output. In this case, there are two of the same inputs. However, there can be two of the same outputs. 
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Hope this helps!! :)
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3 years ago
HELP LAST PROBLEM!
Keith_Richards [23]
Given 4 boxes of pencils cost $5,
Unknown- slope 
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Equation y=mx+b
Substitute $1.25/per box for m
Solve y=$1.25x  
The Check
$5=$1.25/per box(4 boxes)
$5=$5
3 0
3 years ago
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