1.	Backtrack to find the input for the flowchart.
		A.	b = –3	B.	b = 3
		C.	b = 5	D.	b = –5
		Hint
	2.	Solve the equation by backtracking.
		A.	y = 1	B.	y = 3
		C.	y =	D.	y =
		Hint
	3.	Solve the equation by backtracking.
		A.	a = -1	B.	a = –10
		C.	a = 10	D.	a = 1
		Hint
	4.	Solve the equation by backtracking.6(x + 5) 2 – 10 = 14
		A.	x = 3	B.	x = –3 and x = –7
		C.	x = –3	D.	x = –7
		Hint
	5.	Give the approximate solution of this equation.5 + (2c – 3) 2 = 5
		A.	c = –1.5 and c = –1.5	B.	c = 1.5
		C.	c = –1.5	D.	c = 1.5 and c = –1.5
		Hint