Quiz 2 Quadratic expressions, functions, equations

What is the GCF of the polynomial below?

• 3x
• 3
• 6x
• 3y

What is the next step to solve for x?

• Add 3 both sides
• Take the square root both sides
• Multiply by 2 both sides
• None is correct

What is the next step in completing the square?

• Add 1 to both sides
• Take the square root both sides
• Divide by 6 on both side
• Add 9 to both side

Which is one of the solutions of the quadratic expression?

• 
• 
• 
• 

What goes in the boxes in completing the square method?

• 9
• 36
• -9
• 3

Which is one of the Factors of the trinomial?

• x +1
• 2x + y
• 2x - y
• 2x - 3y

Which method is appropriate to utilize in factoring the binomial?

• difference of squares
• GCF
• sum of squares
• perfect square trinomial

Factor the trinomial:

• (b+1)^2
• (b+1)(b-1)
• (b-1)^2
• (b+2)(b+1)

Add (8 - 3i) + (3 + 7i)

• - 7i
• -1 + 4i
• 11 + 4i
• 11 + 10i

The real part of this complex number 10i is ___

• 0
• 10
• 10i
• 1