Evaluate (2 a + b)^2/(3 b - 1) where a = -2 and b = 5:
(2 a + b)^2/(3 b - 1) = (5 - 2×2)^2/(3×5 - 1)
3×5 = 15:
(5 - 2×2)^2/(15 - 1)
| 1 | 5
- | | 1
| 1 | 4:
(5 - 2×2)^2/14
2 (-2) = -4:
(-4 + 5)^2/14
5 - 4 = 1:
1^2/14
1^2 = 1:
Answer: 1/14
Answer:
a is parallel to d
a and d are parallel, and are perpendicular to c and d (those are parallel to each other)
RESULT
They are parallel
Step-by-step explanation:
Answer:
the answer is 0
Step-by-step explanation:
a negative plus a positive is a positive
Answer:
Step-by-step explanation:
the first one is 9 and the third one is -3 so you minus 9 and you get zero but then you have to get -3 so you minus another 3 and then you get 12 the different is 12