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147: add/sub

Last updated almost 5 years ago

14 questions

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Bell: no calculator

Question 1

1.

\frac{1}{2}+\frac{2}{7}

Question 2

2.

\frac{2}{3}+\frac{3}{5}

Notes: Adding and Subtracting Rational Expressions

Question 3

3.

\frac{2}{7x} + \frac{9}{7x}

Question 4

4.

\frac{-2x^{3}}{5x+8} - \frac{-3x^{3}}{5x+8}

Question 5

5.

\frac{5x+3}{6} - \frac{-6x+9}{6}

Question 6

6.

5-\frac{2x+5}{x-6}

Question 7

7.

\frac{7}{x^{2}+6x+8} - \frac{x}{x+2}

Question 8

8.

\frac{4}{x-3} + \frac{3x+1}{x-5}

Question 9

9.

\frac{3}{x^{2}-25} - \frac{2}{x+5}

Question 10

10.

\frac{7}{6-x} + \frac{7x+5}{x-6}

Question 11

11.

\frac{5}{6x} - \frac{4}{9x}

Question 12

12.

\frac{5}{7-x} + \frac{3}{x-7}

Question 13

13.

\frac{2}{x-2}-7

Question 14

14.

Choose all that are true

I am confident in this lesson.

I would like some assistance.

I can add / subtract with a common base.

I can create a common base in order to add / subtract

Complete the next two sections of DeltaMath.