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Vlad [161]
3 years ago
11

What is the root of the polynomial equation x(x-2)(x+3)=18? Use a graphing calculator and a system of equations.

Mathematics
2 answers:
andre [41]3 years ago
4 0

Answer:

Step-by-step explanation:

notka56 [123]3 years ago
3 0

Answer:

The root of the polynomial equation x(x-2)(x+3)=18 is x=3

Step-by-step explanation:

x(x-2)(x+3)=18

Dividing both sides of the equation by x:

x(x-2)(x+3)/x=18/x

(x-2)(x+3)=18/x

We can use this system of equations:

(1) y=(x-2)(x+3)

(2) y=18/x

And using a graphing calculator we get:

x=3, y=6 → Point=(x,y)=(3,6)

Answer: The root of the polynomial equation x(x-2)(x+3)=18 is x=3

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5 0
3 years ago
Which of the following combined with the equation −9x + 3y = 12 creates a system of linear equations with no solution?
Mumz [18]

Answer:

Step-by-step explanation:

You can't get an exact answer to this because there are no choices.

Add 9x to both sides.

3y = 9x + 12              Divide by 3

3y/3 = 9x/3 + 12/3    Combine

y = 3x + 4

Now to get anything at all that is parallel to this and providing no answer because there is no intersection of the two lines, just change the 4 to something else. Here's one example

y = 3x + 8

As long as the number in front of the x's is the same, they are parallel with no point in common.

8 0
3 years ago
help me please!!!!!! I really need help
IRINA_888 [86]

Answer:

Part A: hx2=a

Part B: 5hours

Step-by-step explanation:

7 0
2 years ago
1. Solve x/5-3&lt;5<br><br> A. x&lt;2/5<br> B. x&lt;10<br> C. x&lt;40
blsea [12.9K]

x/5-3<5

add 3 to each side

x/5 < 8

multiply each side by 5

x<40

Choice C


5 0
3 years ago
Read 2 more answers
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