Answer:
Step-by-step explanation:
(5-1)/(5-1)= 4/4= 1
y - 1 = x - 1
y = x
y - x = 0
the second equation is not
Answer:
7 < x < 9
Step-by-step explanation:
x^2 – 16x + 63 < 0
this is a parabola that opens up.
The parabola will be < 0 for values between the roots.
to picture this see the graph below.
Factor
(x - 7)(x - 9) < 0
Roots
x = {7, 9}
solution
7 < x < 9
Answer:
4
Step-by-step explanation:
25, is it absolute value, the answer to this expression in this case
I hope I helped you