7.7A y = mx + b

Front

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

Back

Slope

Front

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

Back

y-intercept

Front

If m=3 and b=6, what is the slope-intercept equation?

Back

y=3x+6

Front

Write the equation for the total cost y of buying 3 new video games at $55 each and x used video games at $12 each.

Back

y = 12x + 165

Front

What is the general form of a linear equation?

Back

y = mx + b

Front

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

Back

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

Front

What is the slope of the line represented by the equation y = 4x + 2?

Back

4

Front

What is the y-intercept of the line represented by the equation y = -2x + 5?

Back

5

Front

If a line has a slope of 0, what does that indicate about the line?

Back

The line is horizontal.

Front

If a line has an undefined slope, what does that indicate about the line?

Back

The line is vertical.