Linear Equations

Front

What does the symbol ≥ mean?

Back

Greater than or equal to.

Front

Solve the equation for d: d / t = r

Back

d = rt.

Front

What does the sign < mean in inequalities?

Back

Less than.

Front

Solve the inequality -5x > 20.

Back

x < -4.

Front

What is the first step to solve the formula for t in the equation f = rt?

Back

Multiply each side by t.

Front

What is a linear equation?

Back

An equation that makes a straight line when graphed.

Front

What is the general 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 (m) represent in a linear equation?

Back

The rate of change of y with respect to x.

Front

What is the y-intercept (b) in a linear equation?

Back

The value of y when x = 0.

Front

How do you find the slope between two points (x1, y1) and (x2, y2)?

Back

m = (y2 - y1) / (x2 - x1).