1. Open ‘The Magic PowerPoint’ (Click enable macros if asked) Click Insert Click Slides from Files Click Browse and then on your chosen ppt Tick Keep Source Formatting Click Insert All Click slide sorter view Delete all the Magic PowerPoint slides except this one. Click save as and rename your PowerPoint Instructions:

2. Using the hints present click and drag the correct part of the solution to it’s correct place in the answer. There is a practice Simultaneous Equations Excel File within this folder. Simultaneous Equations

3. = = = = = = = = = check in eqn 2 …..solved for x solution x = 5 and y = -2 …..solved for y …..sub x = 5 in eqn 1 and solve 5 – 2(-2) = 9 y = -2 3x = 15 x – 2y = 9 x = 5 10 + 2y = 6 2y = -4 2 x 5 + 2y = 6 5 + 4 = 9 …..eqn 1 + eqn 2 …..eqn 2 …..eqn 1 2x + 2y = 6 correct Using the hints present click and drag the correct part of the solution to it’s correct place in the answer. QUESTION

4. = = = = = = = = = check in eqn 2 …..solved for x solution x = 5 and y = -2 …..solved for y …..sub x = 5 in eqn 1 and solve 5 – 2(-2) = 9 x = 5 y = -2 3x = 15 x – 2y = 9 10 + 2y = 6 2y = -4 2 x 5 + 2y = 6 5 + 4 = 9 …..eqn 1 + eqn 2 …..eqn 2 …..eqn 1 2x + 2y = 6 correct Using the hints present click and drag the correct part of the solution to it’s correct place in the answer. ANSWER

5. = = = = = = = = = check in eqn 1 …..solved for x solution x = 2.5 and y = 2 …..solved for y …..sub x = 2.5 in eqn 2 and solve y = 2 15 + 6 = 21 6 x 2.5 + 3 x 2 = 21 3y = 6 5 + 3y = 11 2 x 2.5 + 3y = 11 x = 2.5 4x = 10 2x + 3y = 11 …..eqn 1 - eqn 2 …..eqn 2 …..eqn 1 6x + 3y = 21 correct Using the hints present click and drag the correct part of the solution to it’s correct place in the answer. QUESTION

6. = = = = = = = = = check in eqn 1 …..solved for x solution x = 2.5 and y = 2 …..solved for y …..sub x = 2.5 in eqn 2 and solve 6 x 2.5 + 3 x 2 = 21 x = 2.5 y = 2 4x = 10 2x + 3y = 11 5 + 3y = 11 3y = 6 2 x 2.5 + 3y = 11 15 + 6 = 21 …..eqn 1 - eqn 2 …..eqn 2 …..eqn 1 6x + 3y = 21 correct Using the hints present click and drag the correct part of the solution to it’s correct place in the answer. ANSWER

7. = = = = = = check in eqn 2 …..solved for x solution x = 7 and y = 5 …..eqn 2 …..eqn 1 3x + 4y = 41 correct 28 - 25 = 3 4 x 7 - 5 x 5 = 3 15x + 20y = 205 31x = 217 16x – 20y = 12 x = 7 4x - 5y = 3 21 + 4y = 41 4y = 20 3 x 7 + 4y = 41 y = 5 Using the hints present click and drag the correct part of the solution to it’s correct place in the answer. = …..eqn 4 = eqn 2 x 4 …..eqn 3 = eqn 1 x 5 = …..eqn 3 + eqn 4 = …..solved for y …..sub x = 7 in eqn 1 and solve = = QUESTION

8. 3x + 4y = 41 = = = = = = check in eqn 2 …..solved for x solution x = 7 and y = 5 4 x 7 - 5 x 5 = 3 x = 7 4x - 5y = 3 28 - 25 = 3 …..eqn 2 …..eqn 1 correct Using the hints present click and drag the correct part of the solution to it’s correct place in the answer. = 15x + 20y = 205 …..eqn 4 = eqn 2 x 4 …..eqn 3 = eqn 1 x 5 = 16x – 20y = 12 …..eqn 3 + eqn 4 31x = 217 = …..solved for y …..sub x = 7 in eqn 1 and solve y = 5 3 x 7 + 4y = 41 = = 4y = 20 21 + 4y = 41 ANSWER