# Linear Equations

## Practice Finding the y-intercept

 Standard form of a Linear Equation: y= mx+b where b is the y-intercept, the point at which the graph intercepts with or cross the y axis.
 CONTENT PROBLEM What is the y-intercept of line L shown in the figure above? Toggle Answer Y-intercept = 4

 CONTENT PROBLEM What is the y-intercept of line L shown in the figure above? Toggle Answer Y-intercept = 5

t
 CONTENT PROBLEM What is the y-intercpt of line L shown in the figure above? Toggle Answer Y-intercept = 2

 CONTENT PROBLEM What is the Y-intercept of line L shown in the figure above? Toggle Answer Y-intercept = 1

 CONTENT PROBLEM What is the Y-intercept of line L shown in the figure above? Toggle Answer Y-intercept = 2.5

 CONTENT PROBLEM What is the Y-intercept of line L shown in the figure above? Toggle Answer Y-intercept = -1

 CONTENT PROBLEM What is the Y-intercept of line L shown in the figure above? Toggle Answer Y-intercept = 2

 CONTENT PROBLEM What is the Y-intercept of line L shown in the figure above? Toggle Answer As you can see from the graph, there is no y intercept for the equation of a line that is vertical.

SAT PROBLEM
#6 in a 25 problem section

In the table above, if y=2x+3, what is the value of b?

• 4
• 11
• 15
• 25
• 28
( Saturday/1.2002 #6) p. 608*
 Toggle Answer D) 25 Remember the formula for slope then use the chart to find the value of a then b.

SAT PROBLEM
#24 in a 25 problem section

What is one possible value for the slope of a line passsing through point (-1,1) and passing between points (1,3) and (2,3) but not containing either of them?

Student Generated Response: Grid-in

( Saturday /1.2000 #24) p. 540*