12/06 Lines & Equations Flashcard

Front

What is the solution to the equation x + 12 = 20?

Back

x = 8

Front

What are the solutions to the equation ∣ 2x + 9 ∣ = 15?

Back

x = 3 and x = -12

Front

What is the solution to the equation -5x = 25?

Back

x = -5

Front

What are the solutions to the equation ∣ -9m ∣ = 81?

Back

m = 9 and m = -9

Front

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

Back

y - y_1 = m(x - x_1)

Front

What is the definition of an absolute value equation?

Back

An equation that contains an absolute value expression, which represents the distance from zero.

Front

How do you isolate a variable in an equation?

Back

By performing inverse operations to both sides of the equation.

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.

Front

What does the slope of a line represent?

Back

The rate of change of y with respect to x.

Front

What is the y-intercept of a linear equation?

Back

The point where the line crosses the y-axis (x=0).