Linear Equations in Two Variables

Front

Variables in the equation ax + by + c = 0 are

Back

x, y

Front

What is the definition of a variable?

Back

The letter used to represent a quantity.

Front

Which equation is written in STANDARD form?

Back

-7x + 2y = 9

Front

If Ravi and Rohit together gave Rs 250 to CM relief fund, which equation represents this?

Back

x + y = 250

Front

If (3,2) is the solution of 5x - 7y = k, what is k?

Back

1

Front

What is the general form of a linear equation in two variables?

Back

ax + by + c = 0

Front

What does the slope of a line represent in a linear equation?

Back

The rate of change of y with respect to x.

Front

How do you find the x-intercept of a linear equation?

Back

Set y = 0 and solve for x.

Front

How do you find the y-intercept of a linear equation?

Back

Set x = 0 and solve for y.

Front

What is the slope-intercept form of a linear equation?

Back

y = mx + b, where m is the slope and b is the y-intercept.