solve linear equations

Front

What is the definition of a variable?

Back

The letter used to represent a quantity.

Front

Solve for x: 4x + 1 = 7x - 5

Back

x = 2

Front

Find the error in the problem below: 19 - 2k = 3k - 1; +3k +3k; 19 + 1k = -1; -19 -19; k = -20

Back

Instead of adding 3k they should subtract 3k.

Front

Solve the equation: 3x + 2(4x - 4) = 3

Back

x = 1

Front

Solve for x: 4x + 1 = 7x - 5

Back

x = 2

Front

What is a linear equation?

Back

An equation that makes a straight line when graphed.

Front

What does it mean to isolate a variable?

Back

To get the variable alone on one side of the equation.

Front

What is the first step in solving the equation 2x + 3 = 11?

Back

Subtract 3 from both sides.

Front

What is the solution to the equation 5x - 10 = 0?

Back

x = 2.

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.