Y = mx + b practice

Front

What is the slope in the picture?

Back

Positive

Front

How would you write the equation with a slope of 2/3 and a y-intercept of -3?

Back

Front

Which graph represents x = 7?

Back

A vertical line at x = 7.

Front

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

Back

y-intercept

Front

Give the y-intercept of the line represented by the equation y = 2x - 4.

Back

(0, -4)

Front

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

Back

-5

Front

How do you find the y-intercept from the equation y = 3x + 1?

Back

Set x = 0, then y = 1.

Front

What is the slope of a horizontal line?

Back

0

Front

What is the slope of a vertical line?

Back

Undefined

Front

If a line has a slope of 1, what does that mean?

Back

For every 1 unit increase in x, y increases by 1 unit.