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Alexeev081 [22]
3 years ago
15

Find the rational zeros of the polynomial function. Then enter the function in factored form.

Mathematics
1 answer:
densk [106]3 years ago
7 0

Answer:

The zeros are -1/2, 1/3 and 2.

The factors are (x - 2)(3x - 1)(2x + 1)

Step-by-step explanation:

h(x)= 6x^3 - 11x² - 3x + 2 = 0

As the last term is 2 we try  to see if +/-1 or +/- 2 are zeros

f(1) = -6, f(-1) = -18  so  they are not zeros.

f(2) = 6*8 - 11*4 - 3(2) + 2

= 48 - 44 - 6 + 2

=  4 - 6 + 2

= 0.  

So x = 2 is a zero and x - 2 is a factor.

Dividing by x - 2:

x - 2 ) 6x^3 - 11x² - 3x + 2 ( 6x^2 + x - 1 <--------Quotient

         6x^3  - 12x^2

                      x^2 - 3x

                      x^2 - 2x

                             - x+ 2

                             -x + 2

Factoring the quotient:

6x^2 + x - 1

= (3x - 1)(2x + 1) =  0

x = 1/3, x = -1/2..

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Please help me with this question and please tell me how I would put this into a calculator please...
AnnyKZ [126]

Answer:

6

Step-by-step explanation:

\frac{2}{3}x+4=\frac{2}{3} *\frac{3}{1}+4 = 2+4=6

3 0
3 years ago
Tony’s club is selling oranges to raise money. For every box they sell, they get 1 1/8 dollars profit. They have sold 75 boxes a
Luden [163]
1\frac{1}{8} =  \frac{9}{8} = 1.125, &#10; \\ 75*1.125= 84.375

84.375 is the profit ALREADY made, so now subtract that from 180 dollars to get
95.625 $ needed, now divide by amount of profit per box...

Answer should be 85 boxes

4 0
3 years ago
A trapezoid has an area of 60 square inches. The height of the trapezoid is 5 inches. What is the length of the longer base if t
Vinil7 [7]

Answer:

Step-by-step explanation:

Remark

Let the shorter base = x

Let the longer base = 3x

h = 5

Area = 60

Formula

Area = (b1 + b2)*h /2

Solution

60 = (x + 3x)*5 / 2                Multiply both sides by 2

2*60 = (x + 3x)*5                  Combine like terms

120 = 4x *5

120 = 20x                             Divide by 20

120/20 = x

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Therefore the two bases are

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5 0
3 years ago
Read 2 more answers
Answer C and D please
DENIUS [597]

Answer:

C. solution:

3(3c-2) = 5(2c-1)

or, 9c-6 = 10c-5

or, -6+5 =<em> </em>10c-9c

or, -1 = 1c

Hence, c = -1.

D. solution:

5(5-2a) = 4(6-a)

or, 25-10a = 24 - 4a

or, 25-24 = -4a+10a

or, 1 = 6a

or, 1/6 = a

Hence, a = 1/6.

6 0
3 years ago
Della bought a tree sampling that was 2 1/4 feet tall. During the first year, it grew 1 1/6 feet. After two years, it was 5 feet
Pani-rosa [81]

Answer:

tree sampling: 2 1/4ft

through 1 year grown: 1 1/6ft

after two years growing: 5ft

1 1/6 coverted into a decimal is 0.16

0.16 x 32 = 5.12 (5)

not sure if this is right, but hope it helps

6 0
3 years ago
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