Answer:
1.-3
2.0
Step-by-step explanation:
5-(-1)/1-3
6/-2
-3
-5-(-5)/-2-(-4)
0/-2+4
0/2
0
Answer: no
Step-by-step explanation: 48f does not equal 8.6f
Answer: (3,-2)
Step-by-step explanation:


new system:

add.

plug in -2 for y

system:

Answer:
Ans: (-5, 5)
-5 < x < 5
Step-by-step explanation:
Standard form: f(x) = x^2 - 25 < 0.
First solve x^2 - 25 = 0 --> x = +- 5
Use the algebraic method to solve f(x) < 0. Between the 2 real roots (-5) and (5), f(x) < 0, as opposite in sign to a = 1.
Answer by open interval: (-5, 5)