Answer:
-13
Step-by-step explanation:
2x²+26x+156=0
x²+13x+78=0
x²+13x=-78
x²+13x+169/4=-143/4
(x+13/2)²=-143/4
x+13/2=(i√143)/2 or x+13/2=-(i√143)/2
x=(i√143)/2-13/2 or x=-(i√143)/2-13/2
(i√143)/2-13/2+(-(i√143)/2)-13/2=(i√143-13-i√143-13)/2=-26/2=-13
Answer:
Trapazoid ABD was reflected across the y-axis and translated 7 units up
Step-by-step explanation:
Trapazoid ABD was reflected across the y-axis and translated 7 units up
I think . . .check it tho because
you flip it across the y axis and then move it up 7
Answer:
three
Step-by-step explanation:
Answer:
4/6 or 2/3
Step-by-step explanation:
1/2 of the die is odd numbers so, you would add one more number which would be 4/6 or 2/3
Algebra
The inverse of -9n is dividing by -9.
