SS - Algebra 2 - Chapter 2

Multiple Choice
Identify the choice that best completes the statement or answers the question.

____	1.	Write the ordered pairs for the relation. Find the domain and range.

a.	{(–2, 5), (–1, 2), (0, 1), (1, 2), (2, 5)}; domain: {–2, –1, 0, 1, 2}; range: {1, 2, 5}	
b.	{(5, –2), (2, –1), (1, 0), (2, 1), (5, 2)}; domain: {–2, –1, 0, 1, 2}; range: {1, 2, 5}	

____	2.	Graph the relation. Find the domain and range.

a.	
domain:  
range: 
	b.	
domain: 
range: 

____	3.	Make a mapping diagram for the relation.
{(–1, –3), (0, 1), (3, –1), (4, –6)}

a.		b.		

____	4.	Use the vertical-line test to determine which graph represents a function.
a.		b.		

____	5.	Graph the equation  by finding the intercepts.
a.		b.		

Find the slope of the line through the pair of points.

____	6.	(6, 12) and (–6, –2)
a.		b.		

____	7.	(, ) and (, )
a.		b.		

____	8.	
a.		b.		

Write in standard form an equation of the line passing through the given point with the given slope.

____	9.	slope = –8; (–2, –2)
a.	8x + y = –18	b.	8x – y = –18	

____	10.	slope = ; (5, –3)
a.	x – y = 	b.	x + y = 	

Find the slope of the line.

____	11.	
a.		b.		c.	–4	d.	none of these	

____	12.	
a.		b.		

____	13.	
a.		b.		

____	14.	
a.	2	b.	0	

Find an equation for the line:

____	15.	through (2, 6) and perpendicular to y = x + 1.
a.	y = x 	b.	y = x 	

____	16.	through (–7, –4) and vertical.
a.	x = –7	b.	y = –4	

____	17.	through (–4, 6) and parallel to y = x + 4.
a.	y = x 	b.	y = x 	

____	18.	Graph the set of data. Decide whether a linear model is reasonable. If so, draw a trend line and write its equation.
{(1, 7), (–2, 1), (3, 13), (–4, –3), (0, 5)}
a.	yes; 
	b.	yes; 

Graph the absolute value equation.

____	19.	
a.		b.		

____	20.	
a.		b.		

Graph the inequality.

____	21.	4x – 2y  –3
a.		b.		

____	22.	For , .
a.	–19	b.	21	

____	23.	Suppose  and .
Find the value of .
a.		b.		

____	24.	Graph the equation .
a.		b.		

____	25.	Graph the equation –3x – y = 6.
a.		b.