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tankabanditka [31]
3 years ago
10

How can completing the square aid in solving quadratic functions?

Mathematics
1 answer:
Elden [556K]3 years ago
4 0
Completing the squares tells us exactly what square root we will need to calculate our answer.

Using the formula below you can find these answers:
A(x-h)^2 + K = 0
(x-5)^ 2 = - K/A


Does this make sense?
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Patty made a banner that has an area of 36 square inches,. The length and width of the banner are whole numbers. The length is 4
omeli [17]

Answer: width= 3 inches; length= 12 inches.

Step-by-step explanation:

From the question, the length is 4 times greater than the width.

Let the width of the banner be represented by y.

Since the length is 4 times greater than the width. It will be denoted as:

Length= 4 × y = 4y

Since area= length×width

4y × y = 36

4y^2 = 36

Divide both side by 4

y^2 = 36/4

y^2 = 9

We have to find the square root of 9

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3 0
3 years ago
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Answer:

$8.50

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5 0
3 years ago
Simplify the expression: 4(10 + 6u)
Marianna [84]

Answer:

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4(10+6u)

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