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Hotmath Practice Problems

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Title:
Hotmath Algebra 1
Author:
Hotmath Team
Chapter:Graphing Linear EquationsSection:Slope-Intercept Form
 

Problem: 1

Solve for y. Use the resulting equation to find the slope of line.

–3x + y = 9

 

Problem: 3

Solve for y. Use the resulting equation to find the slope of the line.

9x – 2y = –18

 

Problem: 5

Solve for y. Use the resulting equation to find the slope of the line.

x – 3y = 8

 

Problem: 7

Solve for y. Use the resulting equation to find the slope of the line.

–3x + 9y = 18

 

Problem: 9

Solve for y. Use the resulting equation to find the slope of the line.

6x + 7y = 12

 

Problem: 11

Find the slope and the y–intercept of the line.

y = 5x – 7

 

Problem: 13

Find the slope and the y–intercept:

 

Problem: 15

Find the slope and the y–intercept of the line.

9x + 5y – 3 = 0

 

Problem: 17

Graph the line using the slope and y–intercept.

y = –4x +5

 

Problem: 19

Graph the line using the slope and y–intercept.

 

Problem: 21

Graph the line using the slope and y–intercept.

 

Problem: 23

Graph the line using the slope and y–intercept.

 

Problem: 25

Graph the line using the slope and y–intercept.

y – 4x = –2

 

Problem: 27

Graph the line using the slope and y–intercept.

y + 6 = –3x

 

Problem: 29

Graph the line using the slope and y– intercept.

3x – 7y = 28

 

Problem: 31

Graph the using the slope and y–intercept.

7x – 2y = 12

 

Problem: 33

Graph the using the slope and y–intercept.

y = –x + 5

 

Problem: 35

Graph the using the slope and y–intercept.

y = 5x + 2

 

Problem: 37

For the figure shown, write an equation for line p in slope–intercept form.

 

Problem: 39

For the figure shown, write an equation for line r in slope–intercept form.

 

Problem: 41

If the y–intercept of a graph is at a and the x–intercept is at b, write the equation in slope–intercept form.

 

Problem: 43

Suppose you begin with $9.00 and collect $0.25 a day.

Write an equation in slope–intercept form for this equation, and graph it.

 

Problem: 45

Write an equation of a line that is perpendicular to the given line and has the same y–intercept.

y = –5x – 3