Answer:
Below in BOLD.
Step-by-step explanation:
1. The discriminant D = b^2 - 4ac
= 3^2 - 4*5*(-7)
= 9 + 140
= 149.
Positive value so it has 2 real solutions.
2. D = (-12)^2 - 4 * 9 * 4
= 144 - 144
= 0.
So it has one real solution.
3. D = 2^2 - 4*1*3
= -8.
It is negative so there are No real solutions.
4. D = 4^2 - 4*2*10 = 16 - 80 = -64.
No solutions.
5. D = (-12)^2 - 4*3*(12)
= 144 - 144 = 0
So its the second choice.
Answer-The quotient of 0 and a negative number is negative.
This is wrong because a negative number cannot be divided by 0
-Steel jelly
5|8-x|
5|8-10|
= 5|-2|
= 5(2)
= 10
The value of the expression when x = 10 is 10.
Answer:
Im not sure but i think 1535
Step-by-step explanation:
That would be 15/80=3/16 so it would be 3/16 or unlikely because it is less than half of 16
