Unit 3- Practice Flashcard

Front

What is the equation of a horizontal line?

Back

The equation of a horizontal line is of the form y = c, where c is a constant.

Front

What is the equation of a vertical line?

Back

The equation of a vertical line is of the form x = c, where c is a constant.

Front

What does the slope-intercept form of a linear equation look like?

Back

The slope-intercept form is given by y = mx + b, where m is the slope and b is the y-intercept.

Front

What is the slope of the line represented by the equation y = 2x + 6?

Back

The slope of the line is 2.

Front

What does 'b' represent in the equation y = mx + b?

Back

'b' represents the y-intercept of the line.

Front

How do you find the y-intercept of a linear equation?

Back

To find the y-intercept, set x = 0 in the equation and solve for y.

Front

What is the equation representing a situation where a person saves a fixed amount of money each month?

Back

The equation is of the form y = mx + b, where m is the amount saved per month and b is the initial amount.

Front

If Bob has $150 and saves $40 each month, what is the equation for his savings after x months?

Back

The equation is y = 40x + 150.

Front

What is the value of 'b' in the equation y = 5x - 6?

Back

'b' is -6.

Front

What does the term 'linear equation' mean?

Back

A linear equation is an equation that forms a straight line when graphed.