Answer:
im pretty sure its c
Step-by-step explanation:
D -9 because it has a -3 and its going to be the same - sign
Answer:
Step-by-step explanation:
SP = CP + markup
- 155 + 30% =
- 155*1.3 =
- 201.50
Answer:
u - v = <-7, -6>
Step-by-step explanation:
<-6,3> <1,9>
To get the result you just subtract the components of v from the components of u
<-6 - 1, 3 - 9>
<-7, -6>
2x^2 + x + 3=0 has only complex roots.
The determinant is 1-4*2*3 = -23
-23 (or any determinant) is the part under the square root sign, If that determinant is negative, knowing you cannot take the square root of a negative number, we know the answers must be complex.
