Algebra Play
Mathematics · Class 8 · All
MathematicsClass 8AllMedium
Q1/14
45s
What is the value of 2x + 3 when x = 4?
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All 14 questions in this quiz
Why is learning algebra important?
- It helps solve problems using patterns, variables, and logical reasoning.
- It is only useful for drawing shapes.
- It has no practical applications.
- It only involves memorising numbers.
What is an equation?
- A statement showing equality between two expressions
- A drawing of a shape
- A number pattern only
- A type of fraction
Which symbol is commonly used to represent an unknown number in algebra?
- x
- +
- =
- %
Simplify: 9a - 4a
- 13a
- 5a
- 36a
- a
What is the meaning of 4x?
- 4 + x
- 4 multiplied by x
- x divided by 4
- x minus 4
Solve: 3x = 15
- 3
- 5
- 10
- 15
Which pair represents like terms?
- 3x and 5x
- 3x and 5y
- x and x²
- 4a and 4b
What is the value of 2x + 3 when x = 4?
- 8
- 10
- 11
- 12
Which of the following is a constant term?
- 5x
- y
- 12
- 3a
Find the value of x if x + 5 = 12.
- 5
- 6
- 7
- 8
Simplify: 3x + 5x
- 8x
- 15x
- 8
- x²
What is the coefficient of x in the expression 7x + 4?
- 4
- 7
- x
- 11
In the expression 5x + 3, which is the variable?
- 5
- x
- 3
- +
What is algebra mainly used for?
- Drawing pictures
- Finding unknown values using symbols and numbers
- Measuring only angles
- Counting objects only