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Bogdan [553]
2 years ago
14

Determine the zeros of the function f(x) = (x - 2)(x + 2)(x+1)^2

Mathematics
2 answers:
nydimaria [60]2 years ago
4 0
Answer-step-by-step

X=2
X=-2
X=-1
JulsSmile [24]2 years ago
4 0

Answer:

x=2, x=-2, and x=-1

Step-by-step explanation:

Function: f(x)=(x-2)(x+2)(x+1)²

We can solve each one of the zeros by making the expressions (the ones in the parentheseis) equal zero.

So we have three equations:

1.(x-2)=0

2.(x+2)=0

3.(x+1)²=0

Solve.

1.x-2=0

x=2

2. x+2=0

x=-2

3. (x+1)²=(x+1)(x+1)=0

(x+1)=0

x=-1

(x+1)=0

x=-1

Since those two were the same we can just say x=-1 once.

Here are the three zeros:

x=2, x=-2, and x=-1

hope this helps!

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A bank is advertising the following savings account.
Vlad1618 [11]

Answer:

6.66%

Step-by-step explanation:

((1 + r/m)^n) - 1

Interest rate , r = 6.5%

m = number of compounding times per period = 4 (quarterly interest)

((1 + 0.065/4)^4) - 1

((1 + 0.01625) ^4) - 1

((1.01625)^4) - 1

1.06660 - 1

= 0.0666

0.0666 * 100%

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8 0
2 years ago
Determine the greatest common factor of 28xy^9z and 32x^2y^7z
RSB [31]

Answer:

GCF = 4xy⁷z

Step-by-step explanation:

Do Prime Factorizations for each term and select only those terms common to each:

28xy⁹z = 2·2·7·x·y·y·y·y·y·y·y·y·y·z

32x²y⁷z = 2·2·2·2·2·x·x·y·y·y·y·y·y·y·z

GCF = 2·2·x·y·y·y·y·y·y·y·z

GCF = 4xy⁷z

5 0
2 years ago
Santiago walked 500 m
N76 [4]

Answer:

500 X 7 = 3500, 3500m = 3.5 km

She walked 3.5 km in 1 week.

7 0
2 years ago
What is (9/16) multiplyed by (-3/4)
lina2011 [118]

Answer:

-0.394875

Step-by-step explanation:

(9/16)*(-3/4)

9/16=.5265

-3/4=-.75

.5265*(-.75)=-0.394875

6 0
3 years ago
Read 2 more answers
Solve for x. <br> 2/3(x-7) = -2
kari74 [83]

Answer:

x = 4

Step-by-step explanation:

5 0
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