WorksheetsQ 9 Linear Equations and Inequalities
Total questions: 27
Worksheet time: 20mins
Any new equation obtained by raising both member of an equation to the same power may have solutions is called
extraneous solutions
absolute value
radical signs
simultaneous equation
If x = 0 then | x | is equal to
X
0
1
-X
The symbols < , > , ≤, ≥ are called
equality symbols
inequalities symbols
operational signs
radical signs
The solution of 4x-2 > 6 is
x > 2
x < 6
x = 4
x > 4
| 5 | should be equal to
5
-5
0
1 / 5
In √(2x-3) - 7 = 0, the value of x should be
24
26
23
20
When the variable in an equation occurs under a radical, the equation is said to be
quadratic equation
radical equation
linear equation
fraction
The value of ‘x’ in 6x-4 = 3x + 8 should be
3
6
5
4
For real number ‘x’ the absolute value is denoted by
x³
| x |
1 ⁄ x
−t
To add or subtract a positive number from both sides of any inequality without any change in the inequality sign is called
distributive property of inequality
multiplicative property of inequality
additive property of inequality
transitive property of inequality
Two linear equations are said to be equivalent if they have exactly the same
inequality signs
coefficient
solution
none of above
The value of ‘x’ in √(x-1) = 4 should be
23
17
19
20
Any replacement or substitution for the variable that makes the statement true is called
fraction
sentence
equation
solution
If the capacity ‘c’ of a lift is at most 1200 pounds, then
c < 1200
c > 1200
c ≥ 1200
c ≤ 1200
Ax + b = 0, where x is an unknown variable, is known as
linear equation
quadratic equation
fraction
sentence
| x + 3 | = 4 should be equal to
1 and 7
2 and 5
1 and −7
0 and −5
For x, y and z, if x > y and y > z and z > x, the property is said to be
distributive property of inequality
multiplicative property of inequality
additive property of inequality
transitive property of inequality
The symbol ≤ is used for
less than
greater than
less than and equal to
greater than and equal to
If x > 0 then | x | is equal to
x
0
1
-x
If x < 0 then | x | is equal to
x
0
1
-x
The symbol ≥ is used for
less than
greater than
less than and equal to
greater than and equal to
Two algebraic expressions joined by an inequality symbol is known as
inequality statement
equality statement
true statement
false statement
A statement in which sign of equality “=” is used to link two algebraic expressions is called
formula
equation
fraction
matrix
The solution of x + 3 < 9 is
x > 4
x < 6
x < 5
x = 6
Any term of an equation may be taken to the other side with its sign changed, without effecting the equality, is called
resolution
factorization
transposition
substitution
The value of ‘x’ in 3x ⁄ 2 - (x-2) ⁄ 3 = 25 ⁄ 6 should be
4
3
-3
1
Linear equation is also called
second degree equation
first degree equation
zero degree equation
simultaneous equation
