To calculate the rate of change, we simply use the formula to get the slope of the line, so:
rate of change = (7 - 3) / (2 - 0)
rate of change = 2
The initial is just the value of x at the first coordinate. So, the initial value is 3.
Answer:
A.
Step-by-step explanation:
2 and 5/6 = 2.833
The point closest is A.
First find slope of perpendicular:
M=1/3, so new slope m= -3
y=mx + b, and subsitute (6,2) and m
2=-3(6) + b, move -18 to other side
b=20
y = -3x+20
4 1/2 = 9 / 2 ;
Then, ( 9 / 2 ) ÷ ( 3 / 4 ) = ( 9 / 2 ) × ( 4 / 3 ) = ( 36 / 6 ) = 6 ;
Finally, ( 4 1/2 ) × 6 = ( 9 / 2 ) x 6 = 54 / 6 = 9 ;
y = 9.
Answer:
+49 feet
Step-by-step explanation:
The inicial position that Suzie started her hike was 220 feet below sea level, so as this inicial position was negative, let's use the negative sign for it:
Inicial position = -220 feet
The final position of the hike was 171 feet below sea level, so:
Final position = -171 feet
So we calculate the change in elevation from the beginning to the end of the hike by making the difference between the final position and the inicial position:
Change in elevation = Final position - Inicial position = -171 - (-220) = -171 + 220 = +49 feet
The change in elevation was +49 feet (the positive sign indicates that the movement was upwards, in direction to "above sea level")
