Answer:
2
Step-by-step explanation:
(-7)^2 - 4*3 *(-2) = 49 + 24 >0
discriminant is positive so 2 real roots
Answer:
8
Step-by-step explanation:
To find range, subtract the lowest number(1) from the highest number(9)
highest-lowest
9-1
8
So, the range is 8
Hope this helps! :)
Answer:
8.06
Step-by-step explanation:
3.5^2 + 2^2 = 16.25
sqrt(16.25) = 4.03112887
2 * 4.03112887 = 8.06225774
8.06
Answer:
0.75
Step-by-step explanation:
