Math Multiple Choice Questions?

1.) Which of the following is the best description of a slope of a line or curve?

a. the slope indicates the resulting change in the Y variable when the variable on the X-axis is increased by one. OR

b. It measures the changes in the X variable caused by a unit change in the Y variable.

2.) A negative slope is shown by:

a. a line or curve that increases along the y axis

b. a line or curve that increases along the x axis.

c. a line or curve that decreases along the x axis.

3.) a positive slope is shown by

a. a line or curve that increases along the y axis

b. a line or curve that increases along the x axis.

c. a line or curve that decreases along the x axis.

Thanks.