MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Variable and Constants

Write the var...

Question

Write the variables and constants of the following expressions.

(i) 18 + x − y (ii) 7p − 4q + 5

Open in App

Solution

(i) 18 + x − y

Constant = 18

Variables = x , y

(ii) 7p − 4q + 5

Constant = 5

Variables = p , q

Suggest Corrections

thumbs-up

3

Similar questions

Q. Write the constant term of each of the following algebraic expressions:
(i) x²y − xy² + 7xy − 3
(ii) a³ − 3a² + 7a + 5

Q. Write each of the following as an equation in two variables:

(i) 2x =−3

(ii) y = 3

(iii) 5x =

\frac{7}{2}

\frac{3}{2} x

Q. Solve the following as per the given instructions.
(i) Write any three linear equations in two variables using the variables x and y.
(ii) Is 7x² + 4y³ = 17 a linear equation in two variables ? Justify.
(iii)

5 x + \sqrt{p} y = 10

is a linear equation in two variables x and y. What is the condition for the value of p?
(iv) Write the solutions of the equation x + y = 18. Write your observation.
(v) If x = 1, y = a is the solution of the equation x + 3y = 100, then find a.

Q. Separate the constants and the variables from each of the following:

6, 4 y, - 3 x, \frac{5}{4}, \frac{4}{5} x y, a z, 7 p, 0, \frac{9 x}{y}, \frac{3}{4 x}, - \frac{x z}{3 y}

Q. Seprate the constants and the variables from each of the following

6, 4 y, - 3 x, \frac{5}{4}, \frac{4}{5} x y, a z,

7 p, 0, \frac{9 x}{y}, \frac{3}{4 x}, - \frac{x z}{3 y}

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Introduction

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Variable and Constants

Standard VIII Mathematics

Join BYJU'S Learning Program

CrossIcon