Variables

Practice Questions

ISEE Upper Level Mathematics Achievement › Variables

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1

Multiply:

2

Multiply:

3

Multiply:

4

Simplify if $xy eq \pm 2$ .

$\frac{x^4y^4-4x^2y^2}{(xy+2)(xy-2)}$

5

Simplify if $xy eq \pm 2$ .

$\frac{x^4y^4-4x^2y^2}{(xy+2)(xy-2)}$

6

Simplify if $xy eq \pm 2$ .

$\frac{x^4y^4-4x^2y^2}{(xy+2)(xy-2)}$

7

Add:

8

Add:

9

Add:

10

Multiply:

$\left ( x -3y + 1\right ) \left ( x - 3y - 1\right )$

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