Unit 1 test review part 2

Unit 1 Test Review Part 2

Match

Match each expression to the correct GCF

• $$3ac+6c-3ab$$

• $$9abc-12ac+8ab$$

• $$3a^2+3ab+6a$$

• $$5abc-10a^2bc+15ab^2c$$

• $$6ac+12c-6ab$$

3

a

3a

5abc

6

• 3

• a

• 3a

• 5abc

• 6

Multiple Choice

Solve the quadratic equation using any method.

$$0=x^2+2x-3$$

• $$x=-3,1$$

• $$x=-3,-1$$

• $$x=-1,3$$

• $$x=1,3$$

Math Response

Factor completely. Write your answer without a multiplication sign between the factors.

$$3x^2+10x+3$$

Type answer here

Correct Answer: \left(3x+1\right)\left(x+3\right)

Deg^°

Rad

Match

Match each radical to the correct simplified radical.

• $$\sqrt[]{32}$$

• $$\sqrt[]{-56}$$

• $$\sqrt[]{900}$$

• $$\sqrt[]{-64}$$

• $$4\sqrt[]{2}$$

• $$2i\sqrt[]{14}$$

• $$30$$

• $$8i$$

Categorize

Options (7)

X

43

$$i$$  

$$2i+3$$  

$$\sqrt[]{34}$$  

$$\sqrt[]{-76}$$  

$$52+\sqrt[]{-27}$$  

Sort the numbers as real, imaginary, or complex.

Real

Imaginary

Complex

Place x here

Multiple Choice

Multiply the complex numbers.

$$\left(2-4i\right)\left(5+3i\right)$$

• $$-2-14i$$

• $$22+26i$$

• $$-2+26i$$

• $$22-14i$$

Match

Match each value to the correct complex conjugate.

• $$2i$$

• $$3+2i$$

• $$7+3i$$

• $$3+7i$$

• $$-2i$$

• $$3-2i$$

• $$7-3i$$

• $$3-7i$$

Multiple Select

Divide the complex numbers.

$$\frac{3+i}{2-3i}$$

• $$\frac{3+11i}{13}$$

• $$\frac{3-11i}{-5}$$

• $$\frac{3}{13}+\frac{11}{13}i$$

• $$\frac{6+5i}{5}$$