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1
Identify the expression which is not a linear expression.
11xyz+2
a+b-3c
3x+7
2
The distance between the graph lines of the equations x=3 and x=-7 is
7 units
3 units
4 units
10 units
3
Find the value of m: is
None of these
4
Which of the following numbers represents the value of -p, for which (3, 4) is a solution for the linear equation px + 4y = 22?
11
-2
5
Which of the following equations is equivalent to 7x - 8y = 80 ?
-7x + 8y = 80
14x - 16y = 40
21x - 24y = 240
6
Which of the following expression can be a linear expression?
7
How many linear equations when representing graphically pass through x=2 and y = -3
Only one
Two
Three
Infinitely Many
8
In a number of two digits, unit's digit is twice the tens digit. If 36 be added to the number, the digits are reversed. The number is
36
63
48
84
9
After solving the linear equation 7x+2=4x+5,the value of x will be
x=-1
x=1
x=2
none of these
10
Find the value of k when (6,-7) is the solution of the equation 10x + 4y - 3k = 23
-3
For the given graph select the equation from the given choices
x = y -1
x + y = 1
x = y
y = 3x
12
In the given graph if y-coordinate is 9 then what will be its corresponding x-coordinate?
13
3 = 2x +y
3 = 2x - y
3 = x + 2y
3 = x - y
14
Assertion : If the system of equations and has infinite many solutions, then
Reason : The system of equations and has a unique solution.
If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.
If Assertion is correct but Reason is incorrect.
If Assertion is incorrect but Reason is correct.
15
Which one of the following is not the linear equation ?