M4 Reviewer

Substitution Property of Equality

Multiplication Property of Equality

Addition Property of Equality

Subtraction Property of Equality

Whole Number

Natural Number

Rational Number

Irrational Number

$$\left(a+b\right)\left(a^2-ab+b^2\right)$$

$$\left(a+b\right)\left(a^2+ab+b^2\right)$$

$$\left(a-b\right)\left(a^2+ab-b^2\right)$$

$$\left(a-b\right)\left(a^2-ab-b^2\right)$$

x = 8 and x = 2

x = -2 and x = 8

x = -2 and x = -8

x = 2 and x = -8

21

-5

26

-21

$$\left(a-b\right)\left(a^2-ab+b^2\right)$$

$$\left(a+b\right)\left(a^2-ab+b^2\right)$$

$$\left(a-b\right)\left(a^2+ab+b^2\right)$$

$$\left(a+b\right)\left(a^2-ab-b^2\right)$$

$$x\ \le-3$$

$$x\ge-3$$

$$x\le4$$

$$x\ge-4$$

$$x\ >\ -\frac{3}{4}$$

$$x\ >\ \frac{3}{4}$$

$$x<-\frac{4}{3}$$

$$x\ <\ \frac{4}{3}$$

x > 5 and x < 7

x < 3 or x > 7

x < 5 and x > 9

x < 5 and x > 3

$$\frac{10x}{x^2-49}$$

$$\frac{25}{x^2-49}$$

$$\frac{10x+25}{x^2-49}$$

$$\frac{25}{x^2+14x+49}$$