Sample  Quiz 3  (Click here for answers to real Q3)

2.3
1. Consider a  line whose graph is given by 5x = 3y - 30. What is the x- intercept?
a. (10,0)
b. (0,10)
c. (0,-6)
d. (-6,0)
e.  nota
2. Find the slope of the line passing through  (4,7)  and ( (10, 8)
a. 6
b.  1/6
c.  -6
d. -1/6
e
3. Find the slope m and y-intercept (0,b) of the line given by:  y = 4x - 1
a     m = -1, y-intercept = (0,4)
b     m = 4, y-intercept = (0,-1)
c     nota
d
e
4. Find the slope and y-intercept of the line given by:  y = -4x + 1
a     m = 1, y-intercept = (0,-4)
b     m = -4, y-intercept = (0,1)
c      nota
5. Rewrite the given equation in slope -intercept form by solving for y:  2x + y = 3. (Hint, see #39.)
a    y = -2x + 3
b    y =  2x + 3
c    y = -2x - 3
d     nota
e
6. Rewrite the given equation in slope -intercept form by solving for y:  2x + y = 0. (Hint, see #35. Yo, we did that.)
a    y = -2x
b    y =  2x
c    2y = -x
d     nota
7.  Is this line horizontal or vertical? y = -5 
a. vertical
b horizontal
written problems
8. graph the line of problem 1 using the x and y intercepts
9. graph the line of problem 3
10. graph the line of problem 4
11. graph the line of problem 5
12. graph the line of problem 6
12. Graph the linear function of  problem 1 drawing a line through both the y-intercept and the x-intercept.