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DochEvi [55]
3 years ago
10

Two of the steps in the derivation of the quadratic formula are shown below. Step 6: = Step 7: = x + Which operation is performe

d in the derivation of the quadratic formula moving from Step 6 to Step 7?
Mathematics
2 answers:
melomori [17]3 years ago
8 0

Answer:

It is C

Step-by-step explanation:

Taking the square root from both sides! I took the test and got it RIGHT!

PS- NEVER GIVE UP!!!

OLEGan [10]3 years ago
7 0

Answer:C: taking the square root of both sides of the equation

this answer was given to you by shanel :))))

<em><u>HAVE A GREAT DAY YOU LOOK GREAT TODAY ;)</u></em>

:):):):):):):):):):):):):):):):):):):):):)

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77julia77 [94]

Step-by-step explanation:

For every increase in the x-value by 1,

the y-value decreases by -2.

(From 3 to 1 and from 1 to -1)

Hence, slope of line k

= Rise/Run = (-2)/1 = -2. (A)

5 0
3 years ago
Find the average rate of change of the function below over the interval (-4,-1).
babymother [125]

Answer:

-2

Step-by-step explanation:

\frac{f(b)-f(a)}{b-a}\\ \\=\frac{f(-1)-f(-4)}{-1-(-4)}\\ \\=\frac{-4-2}{-1+4}\\ \\=\frac{-6}{3}\\ \\=-2

Therefore, the average rate of change over the interval [-4,-1] is -2.

5 0
2 years ago
Quiana took out a loan to pay for a new car initially she owed the lender 15,234.68. she has repaid 247.43 of the loan each mont
mario62 [17]

Given Information:

Initial amount of loan = $15,234.68

Monthly payment = $247.43

Number of months = 5

Required Information:

Net change in loan = ?

Answer:

Net change in loan = $1,237.15 = $1,237(3/20)

Step-by-step explanation:

Quiana owed her lender an amount of 15,234.68 initially, she repaid the lender each month with an amount of $247.43 for 5 months, so the total amount that she repaid is

Total amount repaid = Monthly payment*Number of months

Total amount repaid = $247.43 × 5

Total amount repaid = $1,237.15

The remaining owed amount is given by

Balance = Initial amount of loan - Total amount repaid

Balance = $15,234.68 - $1237.15

Balance = $13,997.53

So the net change to the loan from Quiana's perspective over the past 5 months is,

Net change in loan = Initial amount of loan - Balance

Net change in loan = $15,234.68 - $13,997.53

Net change in loan = $1,237.15

or

Net change in loan = $1,237(3/20)

Therefore, the net change to the loan from Quiana's perspective over the past 5 months is $1,237.15

6 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B%20-%2064%20%7D%20" id="TexFormula1" title=" \sqrt{ - 64 } " alt=" \sqrt{ - 64 }
Kipish [7]
What’s the other number?
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3 years ago
Convert 50 feet per second to miles per hour. 5280 ft = 1 mi Round to the nearest hundredth.
alexandr1967 [171]
Sent a picture of the solution to the problem (s).

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3 years ago
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