1.	Using n, find the expression for this Think of a Number trick. Think of a number. Multiply by 2. Add 4. Divide by 2. Add 6. Subtract the number you started with.
		A.
		B.
		C.
		D.
		Hint
	2.	Which equation is not linear?
		A.	–3y + x – 16 + 2.9x= 0
		B.	y = –2(–8 – x) – 5x (x – 1)
		C.
		D.	5x – 2y = 4.1
		Hint
	3.	Which equation is not the same as the other three?
		A.	y – 3 = 5x	B.	y + 5x = 3
		C.	5x – y + 3 = 0	D.	–5x = –y + 3
		Hint
	4.	Which equation is not the same as the other three?
		A.		B.
		C.		D.	6 + 2y = x
		Hint
	5.	Name a similarity and a difference among the three graphs below. 7x + y + 8 = 0 –7x + y + 8 = 0 –3x – y – 8 = 0
		A.	The graphs have the same y-intercept, but different slopes.
		B.	The graphs have the same slope, but different y-intercepts.
		C.	None of the graphs have the same slope nor the same y-intercept.
		D.	The graphs have the same slope and y-intercept.
		Hint