Answer:
no
Step-by-step explanation:
its just like a positive number + a positive number cannot equil a negitive number.
Answer:
1
Step-by-step explanation:
We are finding the discriminant of the function
It needs to be written in the form ax^2 +bx+c =0
2x^2 +3x = -1
Add 1 to each side
2x^2 +3x+1 = -1+1
2x^2 +3x+1 = -0
b^2 -4ac
a=2 b=3 and c = 1
3^2 - 4(2)(1)
9 - 8
1
Answer:
6
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
pi / 2 is equal to 180°/2 which is 90°.
Cos (90°) = 0
if cos90 = 0 then what kind of graph will we have at 90° to the x axis ?
a graph passing through the origin. (0,0)