Recent questions tagged linear-equations

In the $xy$ plane, the line $l$ is perpendicular in the line described by the equation $\frac{1}{2x} + \frac{1}{y} = \frac{1}{2y}$, what is the slope of the line ?

asked Mar 31, 2019 by priyanka.clay6

1 answer

$3x + 2y = \frac{1}{5}$ and $3x - 2y = \frac{2}{5}$, then $\frac{y}{x}$ is

asked Mar 31, 2019 by priyanka.clay6

1 answer

Colin can read a maximum of 30 pages in one hour. If he has been reading 250 pages for $x$ hours, where $x < 10$ and has $y$ pages left to read, which of the following expresses the relationship between $x$ and $y$ ?

asked Mar 31, 2019 by priyanka.clay6

1 answer

What are the values of $x$ if, $\frac{4(x-3)}{6} - \frac{x}{2} =2$ ?

asked Mar 31, 2019 by priyanka.clay6

1 answer

For 2 consecutive integers, the result of adding the small integer and the double of larger integer is 80. What are the two integers ?

asked Mar 31, 2019 by priyanka.clay6

1 answer

The point of intersection of the curves $x^2 = y$ and $y^2 = x$ is

asked Mar 31, 2019 by priyanka.clay6

1 answer

The function $f$ is defined by a polynomial. Some of the values of $x$ and $f(x)$ are given in the table below. Which of the following must be a factor of $f(x)$ ?

asked Mar 30, 2019 by priyanka.clay6

1 answer

The $x$ and $y$ are intercept of the line $y = 4x + 12$

asked Mar 30, 2019 by priyanka.clay6

1 answer

What is the value of $p$ if the system of equation $px + 3y =5$ and $3x-5y=6$ has no solution ?

asked Mar 30, 2019 by priyanka.clay6

1 answer

$y = mx + 5$, where $m$ is the constant, which is graphed in the $xy$-plane. If the line contains $(p,q)$ as a point where, $p \neq 0, \; q \neq 0$, where is the slope of the line in terms of $p$ and $q$?

asked Mar 30, 2019 by priyanka.clay6

1 answer

If $x+3y=15, \; 2x + y =9$ is a given system of equations, what can be the value of $\large\frac{x}{y}$ ?

asked Mar 30, 2019 by priyanka.clay6

1 answer

If $\frac{2x}{3} = \frac{x+5}{3}$, what is the value of $x$ ?

asked Mar 30, 2019 by priyanka.clay6

1 answer

Point A is located at $(-4,-5)$. The mid point of $\overline{AB}$ is $(0,3)$ . What are the coordinate of point B

asked Mar 29, 2019 by meena.clay6

1 answer

The equation of a line passing through the point $(-2,0)$, and perpendicular to the line whose slope is -2 is

asked Mar 28, 2019 by meena.clay6

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Solve the linear inequality $\large\frac{-1}{6}$$x-16 \geq +4$

asked Mar 27, 2019 by meena.clay6

1 answer

The sum of $x$ and $y$ in the system of equation given $x+4y=12$ and $4x+3y=22$ is

asked Mar 26, 2019 by meena.clay6

1 answer

The graph below represents the profit 'P' of a bicycle company in thousands, for the year 2016.

asked Mar 26, 2019 by meena.clay6

1 answer

The graph below represents the profit 'P' of a bicycle company in thousands, for the year 2016. What is the C intercept represent in graph ?

asked Mar 26, 2019 by meena.clay6

1 answer

The no of employees in a factory between $1980$ to $2000$ is twice the number who has joined between 2000 and 2018 . if the factory had 20,000 employees by the end of the year 2000 , and x no of the employees joined between 2000 and 2018, then which of the following is true ?

asked Mar 19, 2019 by meena.clay6

1 answer

If $2a=\large\frac{b}{2}$ then what is $4a-b$ ?

asked Mar 19, 2019 by meena.clay6

1 answer

What can be the value of $x$ when $|x-5|+5$ equal to zero ?

asked Mar 4, 2019 by meena.clay6

1 answer

If $8+8x$ is 12 more than 20. What is the value of $4x$ ?

asked Mar 1, 2019 by meena.clay6

1 answer

$y=mx+c$, where $m$ and $c$ are constants. When $x=5$ => $y=25$. When $x=10$ => $y=35$. What is the value of $c$ ?

asked Feb 28, 2019 by meena.clay6

1 answer

If $x= 10 \sqrt 2$ and $3x=\sqrt {2y}$ find the value of $y$

asked Feb 26, 2019 by meena.clay6

1 answer

If $a+b=7$ and $3a+b=-9$, what is the value of $b$ in the above system of equations ?

asked Feb 26, 2019 by meena.clay6

1 answer