60%... the rest of this is irrelevant it makes you write 20 characters
Answer:
21
Step-by-step explanation:
The following is a relation because each x doesn’t only have one y; the following is a relation because two Ys have the same X
Answer:
Step-by-step explanation:
9x⁴ – 2x² – 7 = 0
Let's say that u = x²:
9u² – 2u – 7 = 0
Factor:
(u – 1) (9u + 7) = 0
u = 1, -7/9
Since u = x²:
x² = 1, -7/9
x = ±1, ±i √(7/9)
The answer to this problem is 18. 6*3=18 hopefully this helped!!
