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147: add/sub

Posljednje ažuriranje about 5 years ago

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Bell: no calculator

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Notes: Adding and Subtracting Rational Expressions

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Complete the next two sections of DeltaMath.

Pitanje 1

1.

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

Pitanje 2

2.

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

Pitanje 3

3.

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

Pitanje 4

4.

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

Pitanje 5

5.

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

Pitanje 6

6.

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

Pitanje 7

7.

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

Pitanje 8

8.

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

Pitanje 9

9.

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

Pitanje 10

10.

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

Pitanje 11

11.

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

Pitanje 12

12.

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

Pitanje 13

13.

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

Pitanje 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