Download presentation

Presentation is loading. Please wait.

Published byElmer Roberts Modified over 2 years ago

1
Algebra Recap Solve the following equations (i) 3x + 7 = 32 - 2x (ii) 3x + 1 = 5x – 13 (iii) 3(5x – 2) = 4(3x + 6) (iv) 3(2x + 1) = 2x + 11 (v) 2(x + 2) – 3(x – 3) = x + 7 3x + 2x = 32 – 7 5x = 25 x = 25/5 x = 5 3x – 5x = -13 – 1 -2x = -14 2x = 14 x = 7 15x – 6 = 12x + 24 15x – 12x = 24 + 6 3x = 30 x = 10 6x + 3 = 2x + 11 6x – 2x = 11 – 3 4x = 8 x = 2 2x + 4 - 3x + 9 = x + 7 2x – 3x – x = 7 – 4 – 9 -2x = -6 x = 3

2
Algebraic Fractions 4x + 12 = 8 5x +14 = 11 7x – 5 = 9 2 4 8 5x + 4 - 3x – 5 = 5 2x – 3 + 1 = 3x - 2 4 3 4 2 5 2(4x + 12) = 2(8) 2 4x + 12 = 16 4x = 4 x = 1 4(5x + 14) = 4(11) 4 5x + 14 = 44 5x = 44 - 14 5x = 30 x = 6 8(7x - 5) = 8(9) 8 7x - 5 = 72 7x = 77 x = 11 12(5x - 4) - 12(3x – 5) = 12(5) 4 3 3(5x - 4) - 4(3x – 5) = 60 15x - 12 - 12x + 20 = 60 3x + 8 = 60 3x = 52 x = 17⅓ 20(2x - 3) + 20(1) = 20(3x - 2) 4 2 5 5(2x – 3) + 10(1) = 4(3x – 2) 10x – 15 + 10 = 12x – 8 10x -5 = 12x – 8 10x – 12x = -8 + 5 -2x = -3 x = ⅔

3
Quadratics x² + 10x + 9 x² - 15x + 26 x² - 8x – 33 2x² + 15x + 7 3x² + 8x + 4 2x² - 7x - 15

Similar presentations

OK

Solving Equations. -132 = 4x – 5(6x – 10) -132 = 4x – 30x + 50 -132 = -26x + 50 -182 = -26x 7 = x.

Solving Equations. -132 = 4x – 5(6x – 10) -132 = 4x – 30x + 50 -132 = -26x + 50 -182 = -26x 7 = x.

© 2017 SlidePlayer.com Inc.

All rights reserved.

Ads by Google

Ppt on meeting etiquettes meaning Ppt on rulers of uae Ppt on current account deficit means Ppt on demand side management Ppt on spiritual leadership conference Download ppt on conventional and non conventional sources of energy Ppt on food production management Ppt on time management at workplace Ppt on audible and inaudible sound Difference between raster scan and random scan display ppt on tv