Variables and Constants

IMPORTANT

Variables and Constants: Overview

This topic covers concepts, such as, Algebraic Expressions, A Constant in Algebra, A Variable in Algebra & Formation of Algebraic Expressions Using Variables and Constants etc.

Important Questions on Variables and Constants

EASY
IMPORTANT

The constant term in the expression 5y2-3y+x+3 is.

EASY
IMPORTANT

s×s×s×t×t=s3_____2

EASY
IMPORTANT

6×p×p×q×q×q=6p2×qk

If the above equation is true, then the value of k is _____.

EASY
IMPORTANT

If 4×4×4=4k, then the value of k=_____

EASY
IMPORTANT

10×10×10×t×t×t=103×tk

If the above equation is true, then the value of k is _____.

EASY
IMPORTANT

Write the constant term in x2+2x-5.

EASY
IMPORTANT

State whether the expression 2+m+n is: Numerical Expression / Algebraic Expression.

HARD
IMPORTANT

Simplify:

15x-8x3+3x2-8x2-4-2x-x3-5x3-2x

EASY
IMPORTANT

Simplify:

3mn2-5m2n2+-7mn2-2m2n2

EASY
IMPORTANT

Simplify:

(x-2y)+(3y-x)-(3x-2y)

EASY
IMPORTANT

Write the expanded form in exponential form. 

m×m×m×m

EASY
IMPORTANT

Write the expanded form in exponential form:  

5×5×5×x×y×y×y

EASY
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Write the expanded form in exponential form:  

2×y×y×y

EASY
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Write the expanded form in exponential form.

q×q×q

EASY
IMPORTANT

Write the expanded form in exponential form:

x×x×x×y

EASY
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Find out:

The number obtained by dividing 'a' by 3.

EASY
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Find out:

The number obtained by multiplying y by 6.

EASY
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Find out: 

The number obtained by adding 2x and 3y

EASY
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Find out:

The number obtained by subtracting x from 10.

EASY
IMPORTANT

Pay attention to the following mathematical statements and write the letter or number in the box.

b÷2=5   ÷2=5