3. Which of the following equations does not have a real solution?
(A) x + x = 1
(B) x + x=0
(C) x*x=0
(D) x*x=-1

The last equation (D): doesn't have a real solution

Step-by-step explanation:

Notice that equation A has for solution x = 1/2

Equation B has for solution x = 0

Equation C has for solution x = 0

There is no real number that multiplied by itself can render a negative value.

the answer is d

step-by-step explanation:

y+3=-4(x-2)

y+3=-4x+8

  -3         -3  

y=-4x+5