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Exercise : Linear Equations MCQ Questions and Answers

1. In ordered pair (9,-5) of linear equation, x-intercept is

A.  
B.  
C.  
D.  

Correct Answer : B. 9

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2. Slope is change in value of y in relevation of increase in x by

A.  
B.  
C.  
D.  

Correct Answer : C. one unit

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3. Directly proportional increase and decrease in values of y and x on a straight line shows slope is

A.  
B.  
C.  
D.  

Correct Answer : D. positive

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4. In linear equation 'x = c⁄a' with undefined slope, slope is represented with

A.  
B.  
C.  
D.  

Correct Answer : D. vertical lines

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5. For solution set, set builder notation is S =

A.  
B.  
C.  
D.  

Correct Answer : B. {(x,y) | ax+by = c}

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6. In Gaussian elimination method, original equations are transformed by using

A.  
B.  
C.  
D.  

Correct Answer : A. row operations

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7. Slope of straight line is referred as

A.  
B.  
C.  
D.  

Correct Answer : C. inclination of line

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8. If two straight lines have same slope then these two lines are classified as

A.  
B.  
C.  
D.  

Correct Answer : A. parallel lines

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9. If 2x + 3y = 29 and y = x + 3, what is the value of x ?

A.  
B.  
C.  
D.  

Correct Answer : D. 4

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10. Set which consists of more than one equation is classified as

A.  
B.  
C.  
D.  

Correct Answer : D. system of equations

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