1.) What number should be added to the expression x2+2x to change it into a perfect square trinomial?
A.) 1
B.) 2
C.) 4
D.) 9
2.) What number should be added to the expression x2+10x to change it into a perfect square trinomial?
A.) 5
B.) 10
C.) 25
D.) 100
3.) What are the solutions to the equation?
b2−10b=39
Enter your answers in the boxes.
b = ---- and ----
4.) Which statement describes the first step to solve the equation by completing the square?
2x2+12x=32
A.) Multiply both sides of the equation by 16 .
B.) Add 6 to each side of the equation.
C.) Multiply both sides of the equation by 12 .
D.) Add 36 to each side of the equation.
5.) What are the solutions to the equation?
3x2+6x=45
Enter your answers in the boxes.
