4-1 and 4-2 review

Front

What are the x- and y-intercepts of the equation 2x - y = 6?

Back

(3, 0) and (0, -6)

Front

What is the missing number in the table for the equation y = x - 6 when x = 6?

Back

12

Front

What is the y-intercept of the equation y = -4x - 5?

Back

-5

Front

Calculate the slope of the line that passes through the points (1,7) and (10,1).

Back

-\frac{2}{3}

Front

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

Back

Positive

Front

Define x-intercept.

Back

The x-coordinate where a line crosses the x-axis (y=0).

Front

Define y-intercept.

Back

The y-coordinate where a line crosses the y-axis (x=0).

Front

What is the formula to calculate the slope (m) between two points (x1, y1) and (x2, y2)?

Back

m = \frac{y2 - y1}{x2 - x1}.

Front

What does a negative slope indicate about a line?

Back

The line decreases as it moves from left to right.

Front

What does a positive slope indicate about a line?

Back

The line increases as it moves from left to right.