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Alekssandra [29.7K]
3 years ago
5

Write a quadratic function f whose zeros are 6 and -5 .

Mathematics
2 answers:
Iteru [2.4K]3 years ago
7 0

Answer: f(x) = x² - x - 30

Step-by-step explanation:

Here's a really simple way.

Quadratic equations are the product of two first order equations such as

f(x) = (x + A)(x + B)

intercepts mean the function result is zero, which means that either

(x + A) = 0 or (x + B) = 0

if x + A = 0 then x = - A

if x + B = 0 then x = -B

So all we have to do is to negate the numbers and add x to make the factor

Long story short, this example looks like this

(x - 6)(x + 5) = x² - x - 30

dexar [7]3 years ago
4 0

Answer:

so ez

Step-by-step explanation:

HI IM INDIAN AND STUDING IN 10TH GRADE U?

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Step-by-step explanation:

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The length of a rectangle is (x+1) and the breadth is (x-5) find its area
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Answer:

x^2-4x-5..................

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Sears editing ‘company is a small editorial services company owned and operated by deloris Sears. On January 31, 20Y1 , the end
Valentin [98]

1. Preparation of   the adjusting entries for

Sears editing ‘company

Sears editing ‘company  Adjusting Entries

a. Dr Insurance expense $1,800

($7,200-$5,400)  

Cr Prepaid insurance  $1,800

(To record insurance expense)

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($1980 - $375)

Cr Supplies  $1,605

(To record supplies expense)

c. Dr  Depreciation expense $6,000

Cr Accumulated depreciation-building  $6,000

(To record depreciation expense on building)

d. Dr  Depreciation expense $3,000

Cr Accumulated depreciation-equipment  $3,000

(To record depreciation expense on equipment)  

e. Dr Unearned rent $5,400

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Cr Rent revenue  $5,400

(To record rent earned from unearned rent)

f. Dr Salaries and wages expense $2,900

Cr Salaries and wages payable  $2,900

(To record salaries and wages expense)  

g. Dr Accounts receivable $18,600

Cr Fees earned  $18,600

(To record accrued revenue)

2. Preparation of  an adjusted trial balance.

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Cash $7,500

Account Receiveble $57,000

Prepaid Insurance  $5,400

Supplies $375

Land $112,500

Building $150,250

Equipment $135,300

Drawing $15,000

Salaries and wages expense $196,270

Utilities expense $42,375

Advertising expense $22,800

Repair expense $17,250

Depreciation expense-Building $6,000

Depreciation expense-Equipment $3,000

Insurance expense $1,800

Supplies expense $1,605

Miscellaneous expense $6,075

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4 0
3 years ago
What would happen to the mean of the sampling distribution of p-hat if the Statistics major predicted the sampling distribution
Flura [38]

Answer:

Step-by-step explanation:

If repeated sample sizes of large sizes are taken at random, and proportion P is calculated for samples the sample mean will have a normal distribution irrespective of the original distribution.

In other words, the sample proportion will follow a normal distribution with mean = p-hat and std deviation =\sqrt{\frac{p(1-p)}{n} }

This is a direct corrollary of central limit theorem for sample means.

Hence we have irrespective of sample size, sample proportion will have expected value same as p-hat.

So whether sample size is 500 or 100 the p hat will have the same distribution.

8 0
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