Linear equation

Q.

If the equation is $p+3=1$ and the value of variable is $p=-2$ check whether it satisfies the equation or not ?

Q.

We are given the equation $x+2y=3$

Statement 1: The degree of the equation is one.

Statement 2 : It is a linear equation in two variable.

1. S1 and S2 are true

2. S1 and S2 are false

3. S1 is false but S2 is true

4. S1 is true but S2 is false

Q.

Which one is a linear equation in one variable?

1. $3x-y=8$

2. $3x-1=16$

3. $5\times 3-1=14$

4. $x^2-3x+1=0$

Q.

Subtract the sum of $(a+b+c)$ and $(2a-b+2c)$ from $3a-b+3c$. [3 MARKS]

Q.

In the equation $2x+3y=6$ , if $x=3$ , then the value of $y$ is

__

Q. The root of the equation $3x=\frac{20}{7}-x$ is

1. 10/7
2. 20/21
3. 5/7
4. -5/7

Q. Find the value of $x$ if $\frac{7}{11}+x=1$.

1. $\frac{4}{7}$
2. $\frac{11}{7}$
3. $1$
4. $\frac{4}{11}$

Q.

Write the given linear equation in the form: $ax+by+c=0$ and indicate the values of $a,b$ and $c$:

$5x=-6y$

Q. Which of the following represents a linear equation?

1. $\frac{3x}{4}=3+y$
2. $3x^2+5y=0$
3. $5y^3+y^2+3=9$
4. 4 + 6 = 10

Q.

In a planet other than earth, the days of week in order are Sunday, Friday, Tuesday, Thursday and Monday. If two days ago, it was Friday. What is today?

1. Sunday

2. Monday

3. Tuesday

4. Thursday

Q.

The general form of linear equation in one variable is

1. (b) Ax +B =C where A , B , C are real numbers

2. Ax+B=C where A , B , C are rational numbers and A≠0

3. Ax + B =C, where A≠0 and A , B , C are real numbers

4. Ax+b +cz +d=0

Q.

Which of the following is a linear equation ?

1. 2x + = 2

2. 2x + = 5

3. + = 25

4. x + 2y = 5(x - y)

Q.

For the given linear equation $y-3x+1=0,$ what are the values of $y$ if $x=[3,-4,2]$?

1. 5, -8, 13

2. 8, 5, 13

3. 8, 8, 8

4. 8, -13, 5

Q. What is the value of y which satisfies the following equation?
2y + 9 = 21

1. 10
2. 4
3. 15
4. 6

Q.

In the equation $ax+by+c=0$, where c is a constant, if $a=b=0$ then

1. None of these

2. it is a linear equation in 2 variables

3. it is not a linear equation

4. it is a linear equation in 1 variable

Q. Write the following statement as an equation.
The number of students in my class is 46, which is exactly six less than four times the number of the benches in my class. (Assume that the number of benches is x.)

1. 4x + 6 = 46
2. 4x - 6 = 46
3. x + 24 = 46
4. x - 24 = 46

Q. In a linear equation, the highest power of variable is ___.

1. 3
2. 2
3. 0
4. 1