Answer:
a. 19x-13 b.
Step-by-step explanation:
a. 3(-3+5x)-1(4-4x) = -9+15x-4+4x = 15x+4x-9-4 = 19x-13.
b.
=
Answer: -1
Step-by-step explanation:
Find the two coordinates first.
In this case, they are (-4, 1) and (-2, -1).
Use the following formula to calculate slope:
Substitute in the coordinates:
= = -1
Answer:c
Step-by-step explanation:
Apex
Answer:
Y= 21x+10.25
Step-by-step explanation:
(1,31.25) (0,10.25)
Slope= 21
21X-0=y-10.25
Y= 21x+10.25
Answer: D
Step-by-step explanation:
d should represent the graph