Answer:
The right answer is "".
Step-by-step explanation:
The given values are:
As we know,
95% confidence for will be:
=
The lower bound will be:
=
=
The upper bound will be:
=
=
Thus the right answer is ""
Select all of the following that are quadratic equations.
1 answer:
A quadratic equation is one in which the highest exponent of x is 2.
is quadratic; the highest exponent is 2.
x³-3x²+1=0 is NOT quadratic. The highest exponent of x is 3, not 2.
5x-7=0 is NOT quadratic. The highest exponent of x is 1, not 2.
x²+3x-5=0 is quadratic; the highest exponent of x is 2.
x-5=9x+7 is NOT quadratic. The highest exponent of x is 1, not 2.
x²-x=3x+7 is quadratic; the highest exponent of x is 2.
x³-3x²+1=0 is NOT quadratic. The highest exponent of x is 3, not 2.
5x-7=0 is NOT quadratic. The highest exponent of x is 1, not 2.
x²+3x-5=0 is quadratic; the highest exponent of x is 2.
x-5=9x+7 is NOT quadratic. The highest exponent of x is 1, not 2.
x²-x=3x+7 is quadratic; the highest exponent of x is 2.
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<u>Given</u>:
The given expression is
We need to multiply the terms.
<u>Multiplication of the terms:</u>
Before multiplying the terms, first we shall find the factors of the quadratic equations.
Thus, we have;
Factor out the common terms, we get;
Let us cancel the common terms from the above expression.
Thus, we have;
Simplifying, the term, we get;
Now, we shall multiply the terms.
Hence, multiplying the terms, we get;
Thus, the multiplied value of the given expression is