ALGEBRA - Quiz

1) What is the value of 1 / a^-5?

a<sup>5</sup> a<sup>-5</sup> 5a (-5a)

2) What is the value of 5x⁴ / 5x³ ?

5x 5x<sup>2</sup> x 5x<sup>4</sup>/<sup>3</sup>

3) What is the subtracted value of 3x - 4x² +2y² from 4y²-2x + 8x²?

2y<sup>2</sup>- 5x + 12x<sup>2</sup> 2y<sup>2</sup>+ 5x -12x<sup>2</sup> 2y<sup>2</sup> - 5x -12x<sup>2</sup> (-2y<sup>2</sup>-5x + 12x<sup>2</sup>)

4) What is the value of adding (5x+2y), (4x - 7z) and (15z - 3y)?

9x - y + 8z x - 9y + 8z x + 9y + 8z 9x + y - 8z

5) What is the value of 12x³y² / 4x²y?

8xy 16xy 3xy (-3xy)