4.3-4.5 & 4.10 Review #2

4.3-4.5 & 4.10 Review #2

By Mr. Mitchell

Multiple Choice

1) Write the following in simplified square root form:

$$\sqrt[]{-96}$$  

• $$6\sqrt[]{4}$$  

• $$4\sqrt[]{6}$$  

• $$6\sqrt[]{4}i$$  

• $$4\sqrt[]{6}i$$  

Multiple Choice

2) Write the following expression in simplified square root form:

$$4\sqrt[]{20}$$  

• $$8\sqrt[]{5}$$  

• $$16\sqrt[]{5}$$  

• $$20\sqrt[]{4}$$  

• $$8\sqrt[]{10}$$  

Multiple Choice

3) Write the following expression in simplified square root form:

$$\sqrt[]{98}$$  

• $$49\sqrt[]{2}$$  

• $$7\sqrt[]{2}$$  

• $$2\sqrt[]{49}$$  

• $$2\sqrt[]{7}$$  

Fill in the Blanks

4a) What is the discriminant of $x^2-2x+1=0$  ?

Multiple Choice

4b) How many solutions and what kind of solutions does the equation $$x^2-2x+1=0$$   have?

• 1 real solution

• 2 real solutions

• 1 imaginary solution

• 2 imaginary solutions

Fill in the Blanks

5a) What is the discriminant for the following equation:

$3x^2-5x-2=0$  

Multiple Choice

5b) How many solutions and what kind of solutions does the following equation have?

$$3x^2-5x-2=0$$  

• 1 real solution

• 2 real solutions

• 1 imaginary solution

• 2 imaginary solutions