Unit 5 - Algebra 2

Simplify Completely,  $\sqrt{28}$  

•  $7\sqrt{4}$  

•  $14\sqrt{2}$  

•  $2\sqrt{7}$  

•  $7\sqrt{2}$  

Simplify Completely.

 $\sqrt{64}$  

•  $\sqrt{32}$  

•  $32$  

•  $\sqrt{8}$  

•  $8$  

Simplify. (2 + 3i) + (-4 + 6i)

• -2 + 9i

• 6 + 9i

• 2 - 9i

• -2 - 9i

Simplify. (-3 + 6i) - (4 - 2i)

• 1 + 4i

• -7 + 8i

• -1 - 8i

• -1 + 4i

Simplify. (-6 - 2i) + (5 + 3i) - (3 - 5i)

• 4 - 10i

• -4 - 6i

• 4 + 6i

• -4 + 6i

Simplify Completely.

 $\sqrt{-12}$  

•  $2i\sqrt{3}$  

•  $6i\sqrt{2}$  

•  $4i\sqrt{3}$  

•  $3i\sqrt{2}$  

Find the discriminate for this quadratic equation.

 $f\left(x\right)\ =\ x^2-6x+9$  

•  $72$  

•  $32$  

•  $-72$  

•  $0$  

Find the discriminate for this quadratic equation.

 $f\left(x\right)\ =\ x^2-3x-28$  

•  $109$  

•  $121$  

•  $-121$  

•  $-109$  

What type of solution(s) are they if the discriminate is -32?

• 2 real solutions

• 1 real solution

• 2 complex solutions

• 32 solutions

What type of solution(s) are they if the discriminant is 0?

• 2 real solutions

• 1 real solution

• 2 complex solutions

• 32 solutions