When a quadratic equation ax^2+bx+c has a double root, the discriminant,
D=b^2-4ac=0
Here
a=2,
b=b,
c=18
and
D=b^2-4ac=b^2-4*2*18=0
solve for b
b^2-144=0
=> b= ± sqrt(144)= ± 12
So in order that the given equation has double roots, the possible values of b are ± 12.
Answer:
120 into a third and divide and the answer
Step-by-step explanation:
160
Answer: It would be 3 yards
<span>1 Yard = 36 Inches
</span>36+36+36= 108 inches
So its 3 yards.
Hope i helped
Answer:
19683
Step-by-step explanation:
you multiply each number times 3 so if you multiply the last number times 3 you should get your answer.
Answer:
100
Step-by-step explanation:
since its collinear it has to be 180 -80 which equals 100.
