Slope using multiple representations

Front

What is the slope in the equation y = mx + b?

Back

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

Front

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

Back

The y-intercept (b) is the value of y when x = 0.

Front

Write the equation for the total cost of x pounds of fruit if the basket costs $3 and each pound costs $2.50.

Back

y = 2.50x + 3

Front

What is the slope of the line represented by the equation y = -3x - 3?

Back

The slope is -3.

Front

How do you find the y-intercept from the equation y = -2x + 5?

Back

The y-intercept is the constant term, which is 5.

Front

What is the equation for a holiday meal that costs $12.50 per person plus a $30 delivery fee?

Back

y = 12.5x + 30

Front

If a line has a slope of 2, what is the equation of the line in slope-intercept form if it passes through the point (0, 7)?

Back

y = 2x + 7

Front

What is the slope of the line represented by the equation y = -1/3x - 1?

Back

The slope is -1/3.

Front

How do you convert the equation y = 2x + 7 into standard form?

Back

2x - y = -7.

Front

What does a positive slope indicate about a line?

Back

A positive slope indicates that as x increases, y also increases.