Graphs

Precalculus Enhanced with Graphing Utilities · 513 exercises

Q. 2

For the line 2x+3y=6, the x-intercept is _____ and the y-intercept is _______.

2 step solution

Q. 3

A horizontal line is given by an equation of the form _______, where is the ______.

2 step solution

Q.4

True or False Vertical lines have an undefined slope.

2 step solution

Q. 5

True or False The slope of the line 2y=3x+5 is 3.

2 step solution

Q. 6

True or false  The point 1,2 is on the line 2x+y=4.

2 step solution

Q. 7

Two nonvertical lines have slopes m1 and m2,respectively. The lines are parallel if ______ and the ______ are unequal; the lines are perpendicular if ______.

2 step solution

Q. 8

The lines y=2x+3 and y=ax+5 are parallel if a=_____.

2 step solution

Q. 9

The lines y=2x-1 and y=ax+2 are perpendicular if a=____.

2 step solution

Q. 11

In problems 11-14, (a) find the slope of the line and b intercept the slope. 


3 step solution

Q. 12

In problems 11-14, (a) find the slope of the line and bintercept the slope. 


3 step solution

Q. 13

In problems 11-14, (a) find the slope of the line and (b)intercept the slope. 


3 step solution

Q. 14

In problems 11-14, (a) find the slope of the line and (b)intercept the slope.


3 step solution

Q. 15

Plot each pair of points and determine the slope of the line containing them. Graph the line by hand.

(2,3);(4,0)

3 step solution

Q. 16

Plot each pair of points and determine the slope of the line containing them. Graph the line by hand. 

(4,2);(3,4)

3 step solution

Q. 17

Plot each pair of points and determine the slope of the line containing them. Graph the line by hand. 

(-2,3);(2,1)

3 step solution

Q. 18

Plot each pair of points and determine the slope of the line containing them. Graph the line by hand. 

 (-1,1);(2,3)

3 step solution

Q. 19

Plot each pair of points and determine the slope of the line containing them. Graph the line by hand.  

(-3,-1);(2,-1)

3 step solution

Q. 20

Plot each pair of points and determine the slope of the line containing them. Graph the line by hand.  

 (4,2);(-5,2)

3 step solution

Q. 21

Plot each pair of points and determine the slope of the line containing them. Graph the line by hand.   

(-1,2);(-1,-2)

3 step solution

Q. 22

Plot each pair of points and determine the slope of the line containing them. Graph the line by hand. 

(2,0);(2,2)

3 step solution

Q. 23

Graph the line containing the point P and having slope m.

P(1,2),m=3

2 step solution

Q. 24

Graph the line containing the point P and having slope m. 

P(2,1), m=4

2 step solution

Q. 25

Graph the line containing the point P and having slope m. 

P(2,4), m=-34

2 step solution

Q. 26

Graph the line containing the point P and having slope m.  

P(1,3),m=-25

2 step solution

Q. 27

Graph the line containing the point P and having slope m.  

P(-1,3),m=0

2 step solution

Q. 28

Graph the line containing the point P and having slope m.  

P(2,-4),m=0

2 step solution

Q. 29

Graph the line containing the point P and having slope m.  

P(0,3),m=undefined

2 step solution

Q. 30

Graph the line containing the point P and having slope m.  

P(-2,0), m=undefined

2 step solution

Q. 31

The slope and a point on a line are given. Use this information to locate three additional points on the line. Answers

may vary.

Slope 4, Point (1,2)

2 step solution

Q. 32

The slope and a point on a line are given. Use this information to locate three additional points on the line. Answers may vary.

Slope 2, Point (-2,3)

2 step solution

Q. 33

The slope and a point on a line are given. Use this information to locate three additional points on the line. Answers may vary.

Slope -32, Point (2,-4)

2 step solution

Q. 34

The slope and a point on a line are given. Use this information to locate three additional points on the line. Answers may vary.

Slope 43, Point (-3,2)

2 step solution

Q. 35

The slope and a point on a line are given. Use this information to locate three additional points on the line. Answers may vary.

Slope -2, Point (-2,-3)

2 step solution

Q. 36

The slope and a point on a line are given. Use this information to locate three additional points on the line. Answers may vary.

Slope -1, Point (4,1)

2 step solution

Q. 37

Find an equation of the line L.

2 step solution

Q. 38

Find an equation of the line L. 

2 step solution

Q. 39

Find an equation of the line L.  

2 step solution

Q. 40

Find an equation of the line L.  

2 step solution

Q. 41

Find an equation of the line L.  

2 step solution

Q. 42

Find an equation of the line L.  

2 step solution

Q. 43

Find an equation of the line L.  

2 step solution

Q. 44

Find an equation of the line L. 

2 step solution

Q. 45

Find an equation for the line with the given properties. Express your answer using either the general form or the slope–intercept form of the equation of a line, whichever you prefer.

Slope 3, containing the point (-2,3)

2 step solution

Q. 46

Find an equation for the line with the given properties. Express your answer using either the general form or the slope–intercept form of the equation of a line, whichever you prefer.

Slope 2, containing the point (4,-3)

2 step solution

Q. 47

Find an equation for the line with the given properties. Express your answer using either the general form or the slope–intercept form of the equation of a line, whichever you prefer.

Slope -23, containing the point (1,-1)

2 step solution

Q. 48

Find an equation for the line with the given properties. Express your answer using either the general form or the slope–intercept form of the equation of a line, whichever you prefer. 

Slope 12, containing the point (3,1)

2 step solution

Q. 49

Find an equation for the line with the given properties. Express your answer using either the general form or the slope–intercept form of the equation of a line, whichever you prefer.  

Containing the points (1,3) and (-1,2)

2 step solution

Q. 50

Find an equation for the line with the given properties. Express your answer using either the general form or the slope–intercept form of the equation of a line, whichever you prefer.   

Containing the points (-3,4) and (2,5)

2 step solution

Q. 51

Find an equation for the line with the given properties. Express your answer using either the general form or the slope–intercept form of the equation of a line, whichever you prefer. 

Slope -3, y-intercept is 3

2 step solution

Q. 52

Find an equation for the line with the given properties. Express your answer using either the general form or the slope–intercept form of the equation of a line, whichever you prefer. 

Slope is -2, y-intercept -2

2 step solution

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