Chapter 9 Algebra Worksheet With Answers - Montville Township Public Schools Page 23
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31Study Guide and Review - Chapter 9
The solutions are 0 and –4.
2
43. 4x
+ 4x = 15
SOLUTION:
Rewrite the equation in standard form.
For this equation, a = 4, b = 4, and c = –15.
The solutions are 1.5 and –2.5.
44. GEOMETRY The area of a square can be quadrupled by increasing the side length and width by 4 inches. What is
the side length?
SOLUTION:
2
If x = the original side length, then the area of the square = x
. If x is increased by 4, the area of the square is
quadrupled. Write an equation to represent the new area of the square.
For this equation, a = –3, b = 8, and c = 16.
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