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Graphing and Writing Linear Functions
SOLVING EQUATIONS INVOLVING RATIONAL EXPONENTS
Linear Equations and Graphing
Systems of Linear Equations
Solving Polynomial Equations
Matrix Equations and Solving Systems of Linear Equations
Introduction Part II and Solving Equations
Linear Algebra
Graphing Linear Inequalities
Using Augmented Matrices to Solve Systems of Linear Equations
Solving Linear Inequalities
Solution of the Equations
Linear Equations
Annotated Bibliography of Linear Algebra Books
Write Linear Equations in Standard Form
Graphing Linear Inequalities
Introduction to Linear Algebra for Engineers
Solving Quadratic Equations
THE HISTORY OF SOLVING QUADRATIC EQUATIONS
Systems of Linear Equations
Review for First Order Differential Equations
Systems of Nonlinear Equations & their solutions
LINEAR LEAST SQUARES FIT MAPPING METHOD FOR INFORMATION RETRIEVAL FROM NATURAL LANGUAGE TEXTS
Quadratic Equations
Syllabus for Differential Equations and Linear Alg
Linear Equations and Matrices
Solving Linear Equations
Slope-intercept form of the equation
Linear Equations
DETAILED SOLUTIONS AND CONCEPTS QUADRATIC EQUATIONS
Linear Equation Problems
Systems of Differential Equations
Linear Algebra Syllabus
Quadratic Equations and Problem Solving
LinearEquations
The Slope-Intercept Form of the Equation
Final Exam for Matrices and Linear Equations
Linear Equations
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Linear Equation Problems

1 Solve 7(x+21)=52.

 f. None of these

2 Solve the following equation. x2-16x+52=-8

 

Answer_________________________

3 Graph the following linear equation. 26=8x + 10

4 Solve the following equation. x2 - 5x - 22 =2

 

Answer_________________________

5 Find the slope of the line which is perpendicular to the line which contains the points(-9,-5), (-4, 7).


h. None of these

6 Find the x-intercept of the following linear equation. 8 - 8y =4x - 6


f. None of these

7 Graph the following linear equation. 8 - 5y =3x + 5

8 Solve the following equation. x - 16x + 97 = 3x + 7

 

Answer_________________________

9 Solve 9 (x + 76)=20 (14x - 16 )+ 28x.

 e. None of these

10 Graph the following linear equation. 7 - 4y = 4

11 Solve 46x + 75 = 4.


 
f. None of these

12 Suppose you need 7 pounds of dog found that costs of $2. 73 per pound. How many pounds of cheap dog food which costs $1. 76 per pound should be mixed with premium dog food which costs $3. 61 per pound? The answer is only the pounds of cheap dog food used.

a. 13. 621 621 6
b. 10. 291 891 9
c. 23. 989 189 2
d. 3. 329 729 73
e. 3. 52
f. None of these

13 Solve the following equation. x  - 8x + 14 = -1

 

Answer_________________________

14 Find the equation of the line which contains the points (-4, 14 ), (4,-26) and write it in slope-intercept form.

a. y = -6x - 5
b. y =5x + 6
c. y =5 - 6x
d. y = -5x - 6
e. y =6 - 5x
f. y =5x - 6
g. None of these

15 Find the slope of the line which is parallel to the line which contains the points (-6,-10), (-4,-9).


g. None of these

16 Find the slope of the line which contains the points (6,-9), (5, 4).


 g. None of these

17 Solve .


 
e. None of these

18 Suppose you need 3 gallons of 46% antifreeze solution. How many gallons of 5% solution should be mixed with 63% solution? The answer is only the number of gallons of 5% solution.


f. None of these

19 Suppose you need 3 gallons of 30% antifreeze solution. How many gallons of 18% solution should be mixed with 86% solution? The answer is only the number of gallons of 18% solution.


f. None of these

20 Solve the following equation. x2 - 5x + 22= 8x - 8

 

Answer_________________________

21 Solve 5(x + 12) = 20(26x - 25) + 31x.


e. None of these

22 Solve 47(x + 90)= 48.


 
f. None of these

23 Solve the following equation. x2 - 3x - 65= 5

 

Answer_________________________

24 Graph the following linear equation. y =7 - 5x

25 Find the slope of the following linear equation. 3y + 3=10x + 5


g. None of these

26 Graph the following linear equation. 2 - 4y =8x + 5

27 Solve a(x + b)= c.

a. (a + b)/c
b. (c - a)/b
c. (c - b)/a
d. c/a - b
e. c/b - a
f. None of these

28 Graph the following linear equation. y =10 - 3x

29 Find the x-intercept of the following linear equation. -5y - 9 =6x - 10


 f. None of these

30 Find the slope of the line which contains the points (-9, 5) ,(6,-7).


g. None of these

31 Graph the following linear equation. -16 =10x + 4

32 Solve 50x + 6 =70.


 
f. None of these

33 Find the slope of the line which is parallel to the line which contains the points (5,-6), (-8, 9).


g. None of these

34 Solve the following equation. 6x2 - 23x + 7 = -8

 

Answer_________________________

35 Find the y-intercept of the following linear equation. 7y + 9 =5 - 7x


h. None of these

36 Suppose you need 9 pounds of dog found that costs of $2. 81 per pound. How many pounds of cheap dog food which costs $1. 25 per pound should be mixed with premium dog food which costs $3. 95 per pound? The answer is only the pounds of cheap dog food used.

a. 13. 133 333 3
b. 3. 8
c. 9. 333 333 33
d. 22. 533 333 3
e. 8. 274 193 55
f. None of these

37 Find the slope of the following linear equation. 2y + 6 =10x + 4


g. None of these

38 Find the y-intercept of the following linear equation. -7y - 5 =7x - 6


h. None of these

39 Graph the following linear equation. 2 - 3y= 6

40 Solve the following equation. 6x2 - 56x + 16 = -2

 

Answer_________________________

41 Solve .


e. None of these

42 Find the equation of the line which contains the points (4, 15), (-4,-33) and write it in slope-intercept form.

a. y = -9x - 6
b. y = -6x - 9
c. y =6x - 9
d. y =6 - 9x
e. y =6x + 9
f. y =9 - 6x
g. None of these

43 Find the slope of the line which is perpendicular to the line which contains the points (-4, 8), (-7, 7).


h. None of these