Answer:
x = ± 15
Step-by-step explanation:
Given
x² = 225 ( take the square root of both sides )
x = ±
= ± 15
That is x = - 15 0r x = 15
Answer:
x=38/5
Step-by-step explanation:
distribute
Add 2 to both sides of the equation
Simplify
Answer:
use your head
Step-by-step explanation:
Answer:
81?
Step-by-step explanation
i might be wrong, if am delete this haha
Answer is
2
gradient=change in y/change in X
(10--2)/(4--2)=2