1. 1. The square root of 9 is 3 True
2. Graph 3x + 4y > or 4x - 2y > 8
Does the final answer fill in three quadrants or one quadrant?

2. 1. What is the slope of the following equation?
y = -6x + 7
2. What is the slope of this line?
8x + 7y = 5
3. Write the equation of the line perpendicular to this line and passing through he point (1,0)?
5x - 9y = 12

3. Systems of Linear Equations in Two Variables

4. Determine whether (4,2) is a solution of the system

5. Determine whether (4,2) is a solution of the system

6. Determine whether (4,2) is a solution of the system

7. Determine whether (4,2) is a solution of the system

8. Determine whether (4,2) is a solution of the system

9. Determine whether (4,2) is a solution of the system

10. Determine whether (4,2) is a solution of the system

11. Determine whether (4,2) is a solution of the system

12. Determine whether (4,2) is a solution of the system

13. Determine whether (4,2) is a solution of the system

14. Determine whether (4,2) is a solution of the system

15. Determine whether (4,2) is a solution of the system

16. Determine whether (4,2) is a solution of the system

17. Determine whether (4,2) is a solution of the system

18. Determine whether (4,2) is a solution of the system

19. Determine whether (4,2) is a solution of the system

20. Graph y x

21. Graph y x

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60. Example a
Graph y x

61. Example a
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Graph y x

63. Example a
Graph y x

64. Example a
Graph y x

65. Example a
Graph y x

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Graph y x

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Graph y x

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100. Example a
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Graph y x

102. Example a
Graph y x

103. Example a y
Independent or
Consistent x

104. Example a y
Inconsistent x

105. Example a y
Dependent x

106. Solve the system by elimination

107. Solve the system by elimination

108. Solve the system by elimination

109. Solve the system by elimination

110. Solve the system by elimination

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112. Solve the system by elimination

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119. Solve the system by elimination

120. Solve the system by elimination

121. Solve the system by elimination

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125. Solve the system by elimination

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128. Solve the system by elimination

129. Solve the system by elimination

130. Solve the system by elimination

131. Solve the system by elimination

132. Solve the system by elimination

133. Solve the system by elimination

134. Solve the system by elimination

135. We already did this problem!
Solve the system by elimination
We already did this problem!

136. Solve the system by elimination

137. Solve the system by elimination

138. Solve the system by elimination

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151. Solve the system by elimination

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154. Solve the system by elimination

155. Solve the system by elimination

156. Solve the system by elimination

157. Solve the system by elimination

158. y
Dependent x

159. Solve the system by elimination

160. Solve the system by elimination

161. Solve the system by elimination

162. Solve the system by elimination

163. Solve the system by elimination

164. y
Inconsistent x

165. Solve the system by substitution

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200. Solve the system by substitution

201. Solve the system by substitution

202. Solve the system by substitution

203. Solve the system by substitution

204. Solve the system by substitution

205. Solve the system by substitution

248. Lesson 3.1 Numbers