12/4 Algebra Bell Ringer

Front

What is the input of the function when the output is 37 for the function f(x) = 2x - 5?

Back

21

Front

Back

Irrational

Front

Write the equation for a line with a slope of -1/2 and a y-intercept of 2.

Back

y = -1/2x + 2

Front

Back

Front

Combine the like terms: -5x^2 - 4 + 3x - 2x^2 - 8x.

Back

Front

What is the definition of a function?

Back

A relation that assigns exactly one output for each input.

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

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

Back

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

Front

What does it mean for two expressions to be equivalent?

Back

They have the same value for all values of the variable.

Front

What is a rational number?

Back

A number that can be expressed as a fraction a/b, where a and b are integers and b ≠ 0.