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nlexa [21]
3 years ago
11

What would be the best method to use in order to solve the following quadratic equation? x²+14x+13=0

Mathematics
2 answers:
34kurt3 years ago
4 0
2.; it’s the easiest, fastest, and simplest way to get to your factors
babunello [35]3 years ago
3 0

Answer:

(x+13)(x+1)

Step-by-step explanation:

Factoring

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Answer:eirther C or D not sure

Step-by-step explanation:

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2 years ago
Camden has an action figure collection of 380 action figures. He keeps 55% of the action figures on his wall. How many action fi
svet-max [94.6K]
209 action figures on his wall

380/100 = 3.8
so there would be 3.8 action figures per 1%
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3 years ago
I NEED HELP IN MATH!!! It’s due tonight and I’ve tried to do it and it don’t fully understand please help if u can!!!
Katyanochek1 [597]

Answer:

1. 42

2. 77

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PLEASE HELP WILL MARK AS BRAINIEST!!!!!!!!!!
Airida [17]

Group up the like terms and combine them

2x^2 and -7x^2 add up to -5x^2

6x and 2x add up to 8x

1 and -3 add up to -2

We end up with -5x^2 + 8x - 2

<h3>Answer: Choice B</h3>
7 0
3 years ago
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The polynomial function y = x3 -3x2 + 16x - 48 has only one non-repeated x-intercept. What do you know about the complex zeros o
earnstyle [38]
• First way to solve:
We'll manipulate the expression of the equation:

y=x^3-3x^2+16x-48\\\\ y=x^2(x-3)+16(x-3)\\\\ y=(x-3)(x^2+16)

If we have y=0:

x-3=0~~~or~~~x^2+16=0\\\\ x=3~~~or~~~x^2=-16\\\\ x=3~~~or~~~x=\pm\sqrt{-16}\\\\ x=3~~~or~~~x=\pm4i

Then, the function has one real zero (x=3) and two imaginary zeros (4i and -4i).

Answer: B


• Second way to solve:

The degree of the function is 3. So, the function has 3 complex zeros.

Since the coefficients of the function are reals, the imaginary roots are in a even number (a imaginary number and its conjugated)

The function "has only one non-repeated x-intercept", then there is only one real zero.

The number of zeros is 3 and there is 1 real zero. So, there are 2 imaginary zeros.

Answer: B.
3 0
3 years ago
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