Lesson Master 6-4A
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Name
6-4A Lesson Master
Questions on SPUR Objectives See pages 392–395 for objectives.
Objective B
SKILLS
In 1 and 2, write an equation of the line in slope-intercept form with the following characteristics. 1. slope __18 , y-intercept 14
2. slope −π, y-intercept √ 17
In 3 and 4, the graph of a line is given. 3.
25
y
15
a. Determine the slope of the line.
5 -25
-15
x 5
-5 -5
15
b. Determine the y-intercept of the line.
25
-15
c. Write an equation of the line in slope-intercept form.
-25
4.
100
y
60
a. Determine the slope of the line. x
᎑100 ᎑60
᎑20
20
᎑60
100
b. Determine the y-intercept of the line. c. Write an equation of the line in slope-intercept form.
᎑100
SKILLS
60
Objective C
In 5 and 6, an equation of a line is given. a. Rewrite the equation in slope-intercept form. b. Determine the slope of the line. c. Determine the y-intercept of the line. 5. 8x + 2y = 18
6. x - y = −7
Copyright © Wright Group/McGraw-Hill
a.
a.
b.
b.
c.
c.
Algebra
SMP08ALG_NA_TR1_C06.indd 235
235
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Back to Lesson 6-4
Answer Page
Name
6-4A
page 2
USES
Objective F
7. A hot air balloon starts at 300 feet and climbs at a rate of 700 feet per minute. If this situation were graphed with x as the time in minutes and y as the height in feet, determine the following. a. y-intercept b. slope 8. A plain pizza costs $8.50 and each topping costs $1. If this situation were graphed with x as the number of toppings and y as the cost in dollars, determine the following. a. y-intercept b. slope c. equation
REPRESENTATIONS
Objective H
In 9 and 10, an equation of a line in slope-intercept form is given. Graph the line. 9. y = –2x + 4
10. y = 3x + 2
y
y
x
Copyright © Wright Group/McGraw-Hill
x
236
Algebra
SMP08ALG_NA_TR1_C06.indd 236
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Answer Page
Name
6-4A Lesson Master
Questions on SPUR Objectives See pages 392–395 for objectives.
Objective B
SKILLS
In 1 and 2, write an equation of the line in slope-intercept form with the following characteristics. 1. slope __18 , y-intercept 14
2. slope −π, y-intercept √ 17
In 3 and 4, the graph of a line is given. 3.
25
y
15
a. Determine the slope of the line.
5 -25
-15
x 5
-5 -5
15
b. Determine the y-intercept of the line.
25
-15
c. Write an equation of the line in slope-intercept form.
-25
4.
100
y
60
a. Determine the slope of the line. x
᎑100 ᎑60
᎑20
20
᎑60
100
b. Determine the y-intercept of the line. c. Write an equation of the line in slope-intercept form.
᎑100
SKILLS
60
Objective C
In 5 and 6, an equation of a line is given. a. Rewrite the equation in slope-intercept form. b. Determine the slope of the line. c. Determine the y-intercept of the line. 5. 8x + 2y = 18
6. x - y = −7
Copyright © Wright Group/McGraw-Hill
a.
a.
b.
b.
c.
c.
Algebra
SMP08ALG_NA_TR1_C06.indd 235
235
5/21/07 3:22:56 PM
Back to Lesson 6-4
Answer Page
Name
6-4A
page 2
USES
Objective F
7. A hot air balloon starts at 300 feet and climbs at a rate of 700 feet per minute. If this situation were graphed with x as the time in minutes and y as the height in feet, determine the following. a. y-intercept b. slope 8. A plain pizza costs $8.50 and each topping costs $1. If this situation were graphed with x as the number of toppings and y as the cost in dollars, determine the following. a. y-intercept b. slope c. equation
REPRESENTATIONS
Objective H
In 9 and 10, an equation of a line in slope-intercept form is given. Graph the line. 9. y = –2x + 4
10. y = 3x + 2
y
y
x
Copyright © Wright Group/McGraw-Hill
x
236
Algebra
SMP08ALG_NA_TR1_C06.indd 236
5/18/07 12:54:37 PM
