SkillDrill 4.5-1

SAT Math Orange Book Problem Explanations: Chapter 4 - Systems of Linear Equations

Section 4.1: Introduction to Systems of Linear Equations

Section 4.2: Using Substitution to Solve Systems of Linear Equations

SkillDrill 4.2-1 (5:57)
Section Quiz
Problem 1 (1:30)
Problem 2 (0:55)
Problem 3 (1:47)
Problem 4 (1:25)
Problem 5 (6:32)

Section 4.3: Number of Solutions to Systems of Linear Equations Part I

SkillDrill 4.3-1 (5:07)
SkillDrill 4.3-2 (4:35)
Section Quiz
Problem 1 (0:48)
Problem 2 (3:04)
Problem 3 (2:19)
Problem 4 (3:39)

Section 4.4: Solving Systems of Linear Equations by Elimination / Combination

SkillDrill 4.4-1 (8:13)
Section Quiz
Problem 1 (3:30)
Problem 2 (2:18)
Problem 3 (2:52)
Problem 4 (3:21)
Problem 5 (1:25)

Section 4.5: Number of Solutions to a System of Linear Equations Part II

SkillDrill 4.5-1 (14:47)
Section Quiz
Problem 1 (3:34)
Problem 2 (2:26)
Problem 3 (2:45)
Problem 4 (3:45)

Chapter 4 Additional Problems

Chapter Quiz
1 (1:20)
2 (2:34)
3 (3:46)
4 (0:53)
5 (2:50)
6 (4:06)
7 (3:31)
8 (1:08)
9 (1:10)
10 (0:49)
11 (1:54)
12 (3:50)
13 (1:56)
14 (1:51)
15 (4:37)
16 (6:09)
17 (9:16)
18 (3:57)
19 (3:50)
20 (2:05)
21 (1:10)
22 (1:41)
23 (4:58)

Discussion

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