1.	Determine whether the equation y = -5x is linear or nonlinear. Explain.
		A.	nonlinear, the graph is an inverse variation function
		B.	nonlinear, the graph is a quadratic function
		C.	linear, the graph is a straight line
		D.	nonlinear, the graph is an exponential function
		Hint
	2.	Determine whether the graph represents a linear or nonlinear function. Explain.
		A.	nonlinear, the graph is a cubic function
		B.	nonlinear, the graph is an exponential function
		C.	nonlinear, the graph is a quadratic function
		D.	linear, the graph is a straight line
		Hint
	3.	Select the table that represents a linear function.
		A.
		B.
		C.
		D.
		Hint
	4.	Which rule describes a linear function?
		A.	y = - 10	B.	x2 = y2
		C.	xy = 7	D.	2x = y + 3
		Hint
	5.	Which rule describes a linear function?
		A.		B.	x2 + y2 = 1
		C.	2x + 3y = -10	D.	4xy = 16
		Hint