Answer:

Step-by-step explanation:
<u>Quadratic Formula</u>

<u>Given quadratic equation</u>:

<u>Define the variables</u>:

<u>Substitute</u> the defined variables into the quadratic formula and <u>solve for x</u>:



Therefore, the exact solutions to the given <u>quadratic equation</u> are:

Learn more about the quadratic formula here:
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The zeros of a quadratic function are found where the graph intersects the x-axis. If the graph interects the x-axis in 2 places, we have 2 real solutions; if the graph intersects--or just touches--the x-axis in one place we have one real solution multiplicity 2; if the graph doesn't go through the x-axis at all we have 2 imaginary solutions. Ours goes through the x-axis in 2 places so we have 2 real solutions. Choice A.
By definition we have to:
Monomy: Algebraic expression that consists of a single term or in which the terms that form it are related by the product operation.
For example:
ax^2
It is a monomial.
In this case we have the following expression:
18x
Using the given definition, we have that the expression is a monomial.
Answer:
A .. monomial
<h3>
Answer: 0.00591716</h3>
Step-by-step explanation: Use a ti-34 calculator.
Let x be the <span>length of each of two congruent sides.
</span>The triangle will be аcute if:
x² + x² > 8²
2x² > 64
x² > 32
x > √32
x > 5.657
So, the smallest possible length of one of two congruent sides have to be 5.7 cm (<span>to the nearest tenth)</span>