Linear Functions and Ordered Pairs

The point on a graph where a function crosses the y-axis (Where X=0); point (0,y); the "b" in slope-intercept form.

• y-intercept

• x-intercept

The point on a graph where a function crosses the x-axis (Where Y=0 ,); point (x,0)

• x-intercept

• y-intercept

rise/run; rate of change; Change in y/Change in x

• slope

• x-intercept

• y-intercept

• undefined

Which test shows that if a line can be drawn so that it passes through more than one point on a graph, the relation is not a function?

• Horizontal line test

• Vertical line test

• Draw a line 

• None of the above

What rate describes how one quantity changes in relation to another quantity?

• Rate of Change

• Y-intercept

• X-value

• y = mx + b 

A linear function is a function whose graph is a...

• Curved line

• An upright U shape

• Straight line 

• None of the above 

a line that slants down from left to right

• zero or no slope

• negative slope

• postivite slope

• undefined slope

what is the slope of a line that goes horizontal (flat line)

• no slope or zero slope

• undefined slope

• positive slope

• negative slope

Which of the statements about the graph below is true?

• The graph is proportional and has an equation of y = -x +18.

• The graph is non-proportional and has an equation of y = -x + 18.

• The graph is non-proportional and has an equation of y = -2x + 18.

• None of the above statements are true.

The table below shows the amount that a catering company charges based on the number of people at an event. Which of the following equations shows the relationship between c, the amount the company charges based on p, the number of people at the event?

• c = 16p

• c = 75p + 13

• p = 13c + 75

• c + 13p + 75