Writing Equations from Tables

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing variables and constants.

Front

What does 'solving for x' mean?

Back

It means finding the value of the variable x that makes the equation true.

Front

What is the operation represented by 'increased by'?

Back

Addition.

Front

What is the operation represented by 'divided by'?

Back

Division.

Front

How do you write an equation from a table of values?

Back

Identify the relationship between the x and y values, then express it in the form y = mx + b.

Front

What does the slope (m) in a linear equation represent?

Back

The slope represents the rate of change of y with respect to x.

Front

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

Back

The y-intercept is the value of y when x is 0.

Front

If y = 2x + 3, what is y when x = 4?

Back

y = 2(4) + 3 = 8 + 3 = 11.

Front

What is a linear equation?

Back

A linear equation is an equation that forms a straight line when graphed, typically in the form y = mx + b.

Front

What does it mean if an equation has no solution?

Back

It means there is no value of the variable that can satisfy the equation.