1. VIEW THIS AS A SLIDE SHOW
Keystone Exam Review #1
VIEW THIS AS A SLIDE SHOW

2. Directions Work each problem thru on scratch paper.
When finished w/ answer, click to view solution.
Not all problems are sequential (1,2,3,4…) but there are
Approximately 30 total questions

3. {-36} {12} {3} {17/12} {6} Click for solution Click for solution

4. X=3 so sides are 9 W = -L + 6 A-C = H B Click for solution

5. X<4 X<-1 X>-11 Click for solution Click for solution

6. {x: x<-4 or x>5, xeR}
Click for solution
{x:-4<x<4, xeR} -4 4
Click for solution
{x:--11<x<5, xeR}
-11 5
Click for solution
{x: x<-4 or x>5, xeR}
Click for solution

7. Click for solution 14
Click for solution

8. 3/4
Click for solution 1 2 3 4
Click for solution

9. Click for solution

10. Click for solution

11. 14 nights [ 31 = 1.5n + 10 ] solve for n
y-y1 = m(x – x1)
Click for solution
Y = 3x+6
Y = ½ x+4
Click for solution
Y = -2x+4
Click for solution
Click for solution
C = 1.5n + 10
C = $ (3) + 10
14 nights [ 31 = 1.5n + 10 ] solve for n

12. No, because 7 is not < 4.5 using substitution
Click for solution
{ -4/3 , 3 }
{ 5, -3 }
Click for solution
Click for solution
No, because 7 is not < 4.5 using
substitution
Click for solution