Step-by-step explanation:
2) Slope can be written as rise over run:
- rise: add to the y-value
- run: add to the x-value
3) Slope formula is: 
4) Average rate of change is the slope of the given interval:
a) when x = 0, y = 0 and when x = 1, y = -3
b) when x = -2, y = 0 and when x = -1, y = 3
c) when x = 0, y = 0 and when x = 2, y = 0
Answer:
-3
Step-by-step explanation:
-9/3=-3
A1 = 7
a(sub)n = a(sub)n-1 - 3
(sub) indicates the values touching the parenthesis are written as a subscript.
The above would be the recursive formula as you are taking the previous number and subtracting 3 to get the next number in the sequence.
Answer:
x = 0, y = -2
Step-by-step explanation:
-3x - 4y = 8 (1)
-4x - 3y=6 (2)
Multiply (1) by -4 and (2) by -3, we have:
12x + 16y = - 32 (3)
12x + 9y= -18 (4)
Subtract (4) from (3), we have:
(12x + 16y) - (12x + 9y) = - 32 - (-18)
<=> 7y = - 14
=> y = - 2
Replace y with - 2 in (3), we have x = 0
