Answer:
y=3x
Step-by-step explanation:
I took the test
7.) (x, y) —> (1/2*x, 1/2*y)
Answer:
5
Step-by-step explanation:
-2^2=-4
3^2=9
add
-4+9=5
Answer:
D
Step-by-step explanation:
log₂(x-4) = 4
Undo the log by raising 2 to both sides:
2^(log₂(x-4)) = 2^4
x - 4 = 2^4
x - 4 = 16
x = 20
Answer D.
I would recommend combing like terms (ex- 10x-9x=x) so it could be 15x^2+x-6 . I recommend using something like mathpapa to show you step-by-step how to do it, and if you know, then it just gives you a quick answer