This graph is that of a parabola, which in turn represents a quadratic (2nd order) equation, also a polynomial. The domain of any and all polynomial(s) is "the set of all real numbers," or (-infinity, infinity).
The slope would be -5 over 7
Answer:
The solution of a system of linear equations is:
D. The values of the variables that satisfy both equations.
Answer:
its domain
Step-by-step explanation:

We know that

because of the Pythagorean trig identity

.