1.	If a true statement results when the numbers in an ordered pair are substituted into an equation in two variables, then the ordered pair is a(n)______.
		A.	inverse relation	B.	range set
		C.	solution of the equation	D.	identity
		Hint
	2.	Select the solution set for y = -5x if the domain is {-1, 0, 1}.
		A.	{(-1, -5), (0, 0), (1, 5)}	B.	{(5, -1), (0, 0), (5, 1)}
		C.	{(-5, -1), (0, 0), (5, 1)}	D.	{(-1, 5), (0, 0), (1, -5)}
		Hint
	3.	Select the correct graph for the relation y = -2x if the domain is {-2, -1, 0, 1, 2}.
		A.		B.
		C.		D.
		Hint
	4.	Solve the equation 10x - 5y = 15 if the domain is {-2, -1, 0, 1, 2}.
		A.	{(-2, 2), (-1, 1), (0, 0), (1, 2), (2, 1)}
		B.	{(-2, -2), (-1, -1), (0, 0), (1, 1), (2, 2)}
		C.	{(2, -1), (-1, 1), (0, 3), (1, 5), (2, 7)}
		D.	{(-2, -7), (-1, -5), (0, -3), (1, -1), (2, 1)}
		Hint
	5.	Select the correct graph for the relation y + 5x = 2 if the domain is {0, 1, 2, 3, 4}.
		A.		B.
		C.		D.
		Hint