Answer the question.How can you tell just by looking at a rational expression, if it is equal to -1?

What will be an ideal response?


The numerator and denominator are opposites of each other.

Mathematics

You might also like to view...

Simplify the expression. The result will be one of sin x, cos x, tan x, cot x, sec x, csc x.cos x(tan x + cot x)

A. csc x B. sin x C. cot x D. sec x

Mathematics

Find f(g(x)) and g(f(x)) and determine whether the pair of functions f and g are inverses of each other.f(x) =   and g(x) = 4x - 2

A. inverses B. not inverses

Mathematics

Find the requested value.f(8) for f(x) = 

A. -24 B. 7 C. 64 D. 45

Mathematics

Find the real solutions, if any, of the equation. Use the quadratic formula.12x = 2x2

A. {0, 6} B. {0, - 6} C. {6, - 6} D. {0}

Mathematics