Open Up Resources Unit 3 Test Review

Front

What is the equation of a line with a slope of -3 and y-intercept of 8?

Back

y = -3x + 8

Front

What is the equation of the line with a slope of -4/5 and y-intercept of 3?

Back

y = -4/5x + 3

Front

Which equation represents a line with a slope of 2 and y-intercept of 3?

Back

y = 2x + 3

Front

What is the slope of a horizontal line?

Back

Zero

Front

What type of slope does a line with a positive slope have?

Back

Positive

Front

What is the slope of a line that goes down from left to right?

Back

Negative

Front

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

Back

The value of b when x = 0.

Front

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

Back

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

Front

What does a slope of 1 indicate about a line?

Back

The line rises one unit up for every one unit it moves to the right.

Front

What is the general form of a linear equation?

Back

y = mx + b, where m is the slope and b is the y-intercept.