Answer:
Step-by-step explanation:
For an expression to be a difference of squares, it must be a difference of two terms, each of which is a square. A term is a square if its coefficient is a square and if its degree is even.
The third expression is a sum, not a difference; the fourth expression has a term that is not a square (40). Neither of those is a difference of squares.
Answer:
y = 3x - 6 [graph with a <em>y-intercept</em> of (0, -6) and an <em>x-intercept</em> of (2, 0)]
Step-by-step explanation:
First off, you have to convert from <em>Standard Form</em> [Ax + By = C] to <em>Slope-Intercept Form</em> [y = mx + b].
- Move -15x to the right side of the equivalence symbol to get <em>-</em><em>5y</em><em> </em><em>=</em><em> </em><em>-</em><em>15x</em><em> </em><em>+</em><em> </em><em>30</em><em>.</em>
- Divide<em> </em>everything by -5 to isolate <em>y,</em><em> </em>leaving you with <em>y</em><em> </em><em>=</em><em> </em><em>3x</em><em> </em><em>-</em><em> </em><em>6</em><em>.</em>
Now, starting from your y-intercept, you go three blocks <em>north</em><em>,</em><em> </em>then go over one block <em>east</em><em> </em>every time from the previous endpoint. Your slope is 3.
m → Rate of change [Slope]
-y₁ + y₂\-x₁ + x₂ = m
I am joyous to assist you anytime.
'Experimental' means that you actually set up the situation, you
ran it several times, and you kept a record of the results.
Example:
You flipped a coin 100 times. It came up Heads 46 times, and
Tails 54 times. The experimental probability of Heads was 46%.
The original answer is 5.2186. After you round, your answer should become 5.22
