Match the expressions with the nonpermissible replacements for y

-7     →    

3/2  →      

1      →      

-1/4  →      

Step-by-step explanation:

We need to find the nonpermissible replacements for y.

Equate the denominator of each expression equal to 0, to find the nonpermissible replacements for y.

First expression is

Equate (2y-3) equal to 0.

Add 2 on both sides.

Divide both sides by 3.

Therefore, 3/2 is the nonpermissible replacements for y.

Second expression is

Equate (4y+1) equal to 0.

Therefore, -1/4 is the nonpermissible replacements for y.

Third expression is

Equate -5(y-1) equal to 0.

Therefore, 1 is the nonpermissible replacements for y.

Fourth expression is

Equate -2(y+7) equal to 0.

Therefore, -7 is the nonpermissible replacements for y.

x= -3 and

step-by-step explanation:

to find the roots of a cubic, use division or factoring to find the factors then set equal to 0. as this is a difference of cubes, it factors into

where a is the cube root of .

here   this is 27 and the cube root of 27 is 3. so we write using the form:

.

set each factor to 0 and solve for x.

x-3=0

x=3

the quadratic expression does not factor and must be solved using the quadratic formula.

where a = 1, b=3, and c=9

this cubic has two complex roots.

c is the answer

step-by-step explanation: