Answer:
y = 20
Step-by-step explanation:
<h3>i) move 9 to the right-hand side and change its sign</h3>
<h3>ii) calculate the difference</h3>
<h3>iii) change the signs on both sides of the equation</h3>
<h3>iv) square both sides of the equation</h3>
<h3>v) move -4 to the right-hand side and change its sign</h3>
<h3>vi) add the numbers</h3>
The best estimate for this correlation would be B) 0.9.
We can see that the number is constantly going up, which would throw out the D answer.
We can also see that for every time the x goes up 1, the y goes up a little less than one. We can see that in the ordered pairs that exist on the graph such as (3, 2), (8, 6) and (2.1, 1.9).
Since the y values are just lower than the x, the correlation would be just under one. Therefore, 0.9 is an accurate estimation.
Examples :
(-2)^3 = (-2)(-2)(-2) = - 8
(-3)^4 = (-3)(-3)(-3)(-3) = 81
(-1)^5 = (-1)(-1)(-1)(-1)(-1) = -1
** if the exponent is an even number, the answer will be positive. if the exponent is an odd number, then the answer will be negative
** but keep in mind....if the negative is not included with the base..
-(5^2) = - 25....but (-5^2) = 25
Answer:
B
Step-by-step explanation:
it ~2 units away from the origin
when you move it, B is the only one ~2 units away
