Ch. 12 Practice (Algebra 1)

12.1: Given that y varies inversely with x, use the specified values to write an inverse variation equation that relates x and y.

x=9, y=2

12.1: Given that y varies inversely with x, use the specified values to write an inverse variation equation that relates x and y.

x=3, y=21

12.1: Given that y varies inversely with x, use the specified values to write an inverse variation equation that relates x and y.

x=-6, y=6

12.3: Divide (can use synthetic division).

$$\left(x^2+12x+35\right)\div\left(x+7\right)$$

12.3: Divide (can use synthetic division).

$$\left(y^2-5y-8\right)\div\left(y-3\right)$$

12.3: Divide (can use synthetic division).

$$\left(z^2+4z-1\right)\div\left(z+5\right)$$

12.3: Divide (must use long division).

Must also fill a 0a into the dividend

$$\left(3a^2-2\right)\div\left(3a+3\right)$$

12.4: Find the excluded values, if any, of the expression.

$$\frac{x+3}{2x-4}$$

12.4: Find the excluded values, if any, of the expression.

$$\frac{3}{y^2-4y-12}$$

(a)  

12.4: Find the excluded values, if any, of the expression.

$$\frac{8z}{9z^2-1}$$

*type your fraction answers in using a /

(a)