Using letters to represent unknown values - class-X
Description: using letters to represent unknown values | |
Number of Questions: 72 | |
Created by: Sharvani Hegde | |
Tags: unknown numbers maths algebraic expressions fundamental concepts - algebra introduction to algebra numbers and algebra variables concept of algebraic variables algebraic expressions and operations on them unchanging relations polynomials algebraic expression real numbers making sense of algebra fundamental concepts algebra |
Zero degree polynomial is considered as
In ancient times, algebra is used to find
al-Khwarizmi was a ______ scientist.
Determine the constant term in the expression: $4x^2+5x^6-7x^2-7+2x^2-7x^6$.
______ used algebraic equations and notations in presenting problems and solutions in Arithmetica.
Find the constant for the given polynomial: $x^3+2x^2-1+x^5-5x(x^2)$
In a quadratic equation, $3x^2+x-3$, what is the constant term?
$abc=$
State True or False, if the following expression is polynomial in one variable
$4x^2-3x+7$
State True or False, if he following expression is polynomial in one variable
State True or False, if the following expression is polynomial in one variable.
State whether true/false:
If $\displaystyle A=\pi \left ( R^{2}-r^{2} \right )$, then $R$ is equal to
The sum of the reciprocals of $\displaystyle\frac{x+3}{x^2+1}$ and $\displaystyle\frac{x^2-9}{x^2+3}$ is
If $\displaystyle x^{2}-3x+1=0$ then the value of $\displaystyle x-\frac{1}{x}$ is
If $\displaystyle x-\frac{1}{x}=3$; then the value of $\displaystyle \frac{3x^{2}-3}{x^{2}+2x-1}$ is
If $x=2$, $y=3$, then $x^x+y^y$ is equal to
If $\displaystyle x^{2}-11x+1=0 $ then the value of $\displaystyle x+\frac{1}{x}$ is
If $\displaystyle x+\frac{a}{x}=b$ then the value of $\displaystyle \frac{x^{2}+bx+a}{bx^{2}-x^{3}}$ is
If $x<-1$, then $x^2$
If $a+b+c=0$ then $a^3+b^3+c^3$ is equal to
If $\displaystyle a-\frac{1}{3}=\frac{1}{a}$ then the value of $\displaystyle a^{3}-\frac{1}{a^{3}}$ is
Which of the following terms contain maximum number of variables ?
Determine the constant in the equation $3x^2+5y^2=7$?
How many variables are there in the expression $5x^3+25xy$ ?
What is a constant?
Which of the following contains minimum number of variables?
Which expression has more variables ?
(1) $x^3+3x^2+5x^2y^2+7y$
(2) $5x+3y+z$
How many constants are there in the expression $3x^2+y$ ?
What is a variable?
Find the constant in the polynomial $x + 5$
Identify the number of constants in the expression $5x^3-8xy$.
How many variables are there in the algebraic expression $ax^2+bxy+cy^2$ where $a, b, c$ are constants ?
Which of the following is correct?
Find the constant in the polynomial $y^{3} + y^{2} + y$
The variable in the polynomial $z^3+2z^2+5z+1$ is
The variable in the polynomial $x^2+3x+5$ is:
Who is the father of algebra?
An important development in algebra in the $16^{th}$ century was the
What is the literal meaning of algebra?
$-6$ is the ______ in $q(y)=y^3-3y^2-6+y$
Who used the symbol heap for the unknown in algebra?
What is the value of the constant term in the expression, $23x^3+12x^2-6x-12$?
How many degree of polynomials are there in constant term?
The constant term of $0.4x^{7} - 75y^{2} - 0.75$ is ___
Which one is the constant term of $4x^{3} - 3x^{2} + 2x - 5$.
Classify the following polynomial as polynomial in one variable, two variables etc.
Classify the following polynomial as polynomial in one variable, two variables etc.
Classify the following polynomial as a polynomial in one variable, two variables, etc.
Consider the polynomial $\dfrac{x^{3}+2x+1}{5}-\dfrac{7}{2}x^{2}-x^{6}$.
A real variable is a variable whose values are real numbers.
Given $x^2 + \dfrac{1}{N^4} - 142$ Based on the above date answer the following questions. The value $\left(x^2, \dfrac{1}{x^a}\right)$ is
Which of the following expressions is a polynomial in one variable?
The output of $z^3+2z^2+5z+1$, where $z= 1$, is
What is the output of $x^2+3x+5$, where $x$(variable) = $2$?
What is the output of $x^2+3x+5$, where $x$(variable) = $-1?$
The output of $z^3+2z^2+5z+1$, where $z= -1$
The output of $z^3+2z^2+5z+1$, where $z= 0$
If $\dfrac{2+3}{x}=\dfrac{2+x}{3}$
What one value for $x$ can be correctly entered into the answer grid?
Some situations are given below. State true or false:
The temperature of a day is variable.
Some situations are given below. State true or false:
Length of your classroom is constant.
Some situations are given below. State true or false:
Height of growing plant is constant.
Some situations are given below.State true or false.
The number of days in the month of January are varying.
Solve: $(3x-5)^2 +(3x+5)^2$ = $(18x+10)(x-2)$
For $|x| < 1$ the constant terms in the expressions of $\dfrac {1}{x-1(^{2})(x-2)}$ is
If ${x}^{3}+m{x}^{2}+nx+6$ has $(x-2)$ as factor and leaves a remainder $3$ when divided by $(x-3)$ find the values of $m,\,n$
The constant term in expression $5xy-4x+8$ is
If the point (2, -3) lies on $\displaystyle kx^{2}-3y^{2}+2x+y-2=0$ then k is equal to
$n^2-n+1$ is an odd number for all
Find the number of variables in the expression: $3x^2+25xy+7x2+5y^2+z^2$