Fundamentals of Algebra Exam

Name:Algebra Test # 3 – Chapters 6 & 8
1) Simplify
(5 points)
2x X-3
4-9
2) Multiply & Simplify:
(10 points)
12 xy . 25y22
15xyz 16XT
3) Divide & Simplify:
(10 points)
8xy
25XT
+ 16×23
30xyT
4) Add:
(10 points)
(x + 1) + (x-1)
(x+1)
Х
5) Subtract:
(10 points)
5x – 3
(x-2)
6) Solve for :
(10 points)
Name:
3x – 2x + 3) = 16- X + 2
3x-285
6-x+ 2 를
7) Solve for y
(10 points)
(tt) = (x – 2)
(-3,3)
8) Find the coordinates of the midpoint of the
line segment shown.
(10 points)
HH
14.2
(4,-2)
9) Find the slope of each line, if possible, the
line through (-2, 4) and (6,8)
(10 points)
10) Write the equation of the line with slope of 2/3 that passes through (4.-5)
Give the answer in slope-intercept form
(10 points)
11) Is the graph of X – 7 = 0 a horizontal or vertical line?
(5 points)