Answer:
y= -2x+1
Step-by-step explanation:
y=mx+b
-1= -2(1)+b
-1= -2+b
b= 1
y= -2x+1
Answer:
B. the product of 7 and a number x
Step-by-step explanation:
7x is 7 multiplied by x.
9514 1404 393
Answer:
10 +8i
Step-by-step explanation:
You add these the same way you would if they were considered to be polynomials.
(7 +2i) +(3 +6i) = (7 +3) +(2 +6)i = 10 +8i