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How many line (s) pass through the point (0,0) ?
Infinitely many lines can pass through one point
Which one of the following equations is not a linear equation in two variable?
The power of x and y is 1
In a class, \(\dfrac{3}{5} \) of the students are girls and rest are boys. If \(\dfrac{2}{9} \) of the girls and \(\dfrac{1}{4} \) of the boys are absent what part of the total number of students are present?
No. of girl
Number of boys
Total number of students
Number of girls present
Number of boys present
Total number of students
The slope of line \(4x+3y4=0\) is
If the point (3, 4) lie on the graph of the equation 3y = ax + 7, then the value of a is
The parking charges of a car on pune railway station for first 3 hours is Rs 70 and Rs 20, for subsequent hours write down an equation.
Let the total charge be Rs y and total time = x hours charge for first 3 hours = Rs 70
Charge for subsequent hours = (x – 3) hours = Rs 20 per hour
y=70 + 20 (x3)
y = 70 + 20x – 60
20x + 10 – y = 0
If the point (5, 7) lie on the graph of the equation 5y = ax – 10, then the value of a is
The solution of the equations 2x – 3y = 7 and 4x – 6y = 20 is
No solution
Which of the following pairs of equations have the same solutions?
The option which is not a solution of the equation 7x + 2y = 14 is
Anu had 6 pairs of shoes she let mohit borrow x pairs of shoes and then she has 4 pairs left which equation is correct?
Total number of shoes = 6
Number of shoes she let Mohit = x
Total number of left shoes = 4
So, the equation is 6 – x = 4
Which equation satisfies the data in the table?
For
The cost of a notebook is twice the cost of a pen if the cost of a notebook is x and that of a pen is â€˜yâ€™ then a linear equation is
Let the cost of a pen = y
Cost of a note book = x
A/Q x = 2y
or x – 2y = 0
The area of region bounded by x = 0, 2x – 3y = – 6 and 2x + 3y = 18 is
Area of a triangle
square unit
Which of the following is the equation of a line parallel to yaxis?
In the equation of a line parallel to yaxis, y = 0
Identify the point at which the graph of the equation 7x – 9y – 21 = 0 cuts xaxis.
Which of the following is true?
The equation of the xaxis is y = 0
If y – 10 and 24 – y are equal what is the value of y?
x = 3 and y = 1 is a solution of which of the linear equations given?
LHS = RHS
Find x if \(\dfrac{x2}{x+3}=\dfrac{x+2}{x3},x\ne3,\ x\ne3 \)
The taxi fare in jajpur is Rs 17 for the first km and Rs 10 per km for subsequent distance covered. If distance is represented as d and fare is represented as f. find the linear equation.
Let the distance be d and fare be f
A line passes through the points (4, 13) and (1, 2). Find the y intercept of the line.
Equation of a line
An internet service provider charges Rs 1.3 for the first minute and then Rs 1 per minute for subsequent minutes of a call. If the duration of connection is represented as d and amount charged is represented as â€˜câ€™ find the linear equation for this relation.
A point of the form (0,a) lies on the line
In this point, x is 0
In equation y = 2x, thevalue ofy is â€¦â€¦. When the value of x is 2
In 4x + 3y = 36 there is a point such that its ordinate is 5 more than its abscissa. Find coordinates of the point.
The points are
the coordinates are (3,8)
Equation 2x + 7y = 9 has a unique solution if x and y are
has a unique solution if both are natural numbers
Find the point where linear equation 2x + 2y = 2 intersects with xaxis.
This point intersects with xaxis
A point on line x = 0 is of the form.
X = 0 So, (0, a) will be the correct answer.
Equation 2x + 5y = 10 has
For linear equations in two variables we need atleast two equations to find a unique solutions for the pair
Based upon the graph which is the apparent solution to the system of equations?
Two planes start from a city and fly in opposite directions one averaging a speed of 40 km/hr greater than the second. If they are 3400 km apart from 5 hours find the sum of their average speeds.
Speed of one plane be x km /hour
Speed of other plane km/hour
Distance travelled by first plane
Distance travelled by second plane
km/hour
sum of speeds km/hour
How many solutions does a linear equation in two variables have?
There are infinite values for different value of x and y
The breadth of a rectangular room is 2 m less than its length (l). if the perimeter of the room is 14 m. find the length and breadth of the room.
from eqn (1) and (2)
Find the equation of the line that passes through the points (5, 15) and (10, 20)
putting and we get
Similarly by putting we get