Bell Ringer Solve for x. 4 = 2x – 4 2. 6x + 2 = 14

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Homework Check

Section 8.10 Solving Systems with Substitution Continued R drive > Key > May 4_8 > 5_5__Quiz and Practice File > Save As > P drive > Math > May 4_8 > 5_5__Quiz and Practice

Example 1 Solve with Substitution y = 2x – 2 and y = -4x - 8

Example 2 Solve with Substitution y = -8x – 8 and 5x + 7y = -5

Example 3 Solve with Substitution -x + y = -4 and -3x – 6y = 6

Example 4 Solve with Substitution y = -3x + 19 and -6x – 2y = -38

Example 5 Solve with Substitution x + 2y = -4 and -2x – 4y = -2

Quiz You CAN write on the quiz. There is space to draw the graph and write the solution. If you would like room to check your answers, you will need an additional sheet of paper. I will only be grading the graph and the solution. I suggest checking each answer, but the choice is up to you. When you finish, begin working on tonight’s homework.

Homework 8.10 #1, 3-7, 9, 11-13 1. y = 4x – 7 and y = -3x + 7 2. y = 2x – 2 and y = -4x - 8 3. y = 4x + 9 and y = 3x + 7 4. y = -2x – 7 and y = 2x + 1 5. y = 3x + 5 and y = 4x + 6 6. y = -3x + 10 and y = -2x + 6 7. -4x – 4y = -24 and y = -2x + 8 8. y = -3x + 19 and -6x – 2y = -38 9. 5x – 2y = -21 and y = 4x + 15 10. y = -8x – 8 and 5x + 7y = -5 11. 6x – 6y = 0 and y = 8x + 14 12. -2x + 4y = 6 and y = -2x – 6 13. -x – 4y = 10 and -6x + y = -15 14. -2x – 4y = 0 and x + 2y = 0