Determine which expressions represent real numbers and which expressions represent complex numbers.
-12
7-5i
square root of (-5)^2
0+9i
i^6
square root of -6
-i^2+i^3
2-7i^2

Solutions for 2x+7 less than or equal to 3x-5

Formulate alisha has a number in mind. if she adds three to her number the result is less than five. use this information to write and solve an inequality about alisha's number. then graph the solution set.

The polynomial 10x3 + 35x2 - 4x - 14 is factored by grouping. 10x3 + 35x2 - 4x - 14 5x )-20 what is the common factor that is missing from both sets of parentheses?