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V125BC [204]
3 years ago
14

What is meant by the quadratic formula?

Mathematics
1 answer:
disa [49]3 years ago
6 0

Answer:

Well that's very vague, but you can get the Y-Intercept from it.

Step-by-step explanation: The equation looks like Ax^2+Bx+C... C is the      Y-Intercept

                                                                                                       

                                                                           

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1) Give 5 examples of a difference of two perfect squares
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<u>1.Example, x²-25 can be factored as (x+5)(x-5).</u>

<u> </u>

<u>2.This method is based on the pattern (a+b)(a-b)=a²-b², which can be verified by expanding the parentheses in (a+b)(a-b).</u>

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<u>3.When an expression can be viewed as the difference of two perfect squares, i.e. a²-b², then we can factor it as (a+b)(a-b). For example, x²-25 can be factored as (x+5)(x-5).</u>

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Which explanation best describes how to solve this problem?
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A student desired to invest $1,540 into an investment at 9% compounded semiannually for 6 years. With all else equal, what is th
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Answer:

The future value of this initial investment after the six year period is $2611.6552

Step-by-step explanation:

Consider the provided information.

A student desired to invest $1,540 into an investment at 9% compounded semiannually for 6 years.

Future value of an investment: FV=P(1+r)^n

Where Fv is the future value, p is the present value, r is the rate and n is the number of compounding periods.

9% compounded semiannually for 6 years.

Therefore, the value of r is: r=\frac{0.09}{2}=0.045

Number of periods are: 2 × 6 = 12

Now substitute the respective values in the above formula.

FV=1540(1+0.045)^{12}

FV=1540(1.045)^{12}

FV=1540(1.69588)

FV=2611.6552

Hence, the future value of this initial investment after the six year period is $2611.6552

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