Algebraic Expressions and Equations
Authored by Ivan Maranan
Mathematics
8th Grade
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The following are the types of algebraic expressions, EXCEPT?
Monomial
Binomial
Trinomial
Polynomial
Answer explanation
There are three basic types of algebraic expressions. They are;
1. Monomial-Which has only one non-zero term.
2. Binomial-Which has two non-zero terms.
3. Polynomial- Which has more than one non-zero term with non-negative integral exponents.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a variable in an algebraic expression?
It is a value used with the variable term and is well defined.
It is an unknown quantity which we need to evaluate equations.
It is a term that has a definite value.
None of the above
Answer explanation
A variable is an unknown quantity which we need to evaluate by solving the given algebraic equation.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a coefficient in an algebraic expression?
It is a value used with the variable term and is well defined.
It is an unknown quantity which we need to evaluate equations.
It is a term that has a definite value.
None of the above
Answer explanation
Coefficient is a constant value used with the variable term and is well defined.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the equation 5x-3, what is the variable?
3
5
x
0
Answer explanation
In the above expression (i.e. 5x – 3),
x is a variable, whose value is unknown to us which can take any value.
5 is known as the coefficient of x, as it is a constant value used with the variable term and is well defined.
3 is the constant value term that has a definite value.
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
In the equation 21x+4, what is the coefficient?
4
21
x
0
Answer explanation
In the above expression (i.e. 21x + 4),
x is a variable, whose value is unknown to us which can take any value.
21 is known as the coefficient of x, as it is a constant value used with the variable term and is well defined.
4 is the constant value term that has a definite value.
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
In the equation 21x2+3x-1, what is the constant?
-1
21
x
3
Answer explanation
In the above expression (i.e. 21x2 + 3x - 1),
x2 and x are the variables, whose value is unknown to us which can take any value.
21 and 3 are known as the coefficient of x2 and x, as it is a constant value used with the variable term and is well defined.
-1 is the constant value term that has a definite value.
7.
MULTIPLE CHOICE QUESTION
45 sec • 3 pts
Add 3x + 5y – 6z from x – 4y + 2z
3x+2y-3z
4z-4x+y
2x+4y-z
4x + y – 4z
Answer explanation
3x + 5y – 6z and x – 4y + 2z
= (3x + 5y – 6z) + (x – 4y + 2z)
= (3x + x) + (5y – 4y) + (-6z + 2z)
= 4x + y – 4z
Ans. 4x + y – 4z
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