Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter3: Multi-step Equations And Inequalities
Section3.4: Solving Inequalities Using Addition Or Subtraction
Problem 7E
Related questions
Question
Solve the inequality x2 - 4x + 4 <= 0.Appropriate sign chart must be included. 5x - x2
Expert Solution
Step 1
We have the inequality:
x2 - 4x + 4 <= 0
Let's find the critical point of this inequality:
x2 - 4x + 4 = 0
x2 - 2x -2x + 4 = 0
(x-2)(x-2) = 0.
Thus, x= 2 is the critical point.
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