Algebra 1 Unit 6 Part 2 Review

Simplify  $\sqrt{28}$  

•  $14\sqrt{2}$  

•  $2\sqrt{14}$  

•  $2\sqrt{7}$  

•  $7\sqrt{2}$  

Simplify $\sqrt{432}$  

•  $4\sqrt{27}$  

•  $3\sqrt{48}$  

•  $6\sqrt{12}$  

•  $12\sqrt{3}$  

Simplify $5\sqrt{75}$  

•  $25\sqrt{3}$  

•  $5\sqrt{3}$  

•  $3\sqrt{25}$  

•  $15\sqrt{3}$  

 $Simplify\ \sqrt{a^8b^7c^3}$ 

•  $a^4b^3c^2\sqrt{bc}$  

•  $a^4b^3c\sqrt{bc}$  

•  $a^8b^6c^2\sqrt{bc}$  

• This expression cannot be simplified.

Tags

CCSS.8.EE.A.2

Simplify $\sqrt{8x^5y^2}$  

•  $2x^2y\sqrt{2x}$  

•  $8x^4y^2\sqrt{x}$  

•  $4x^2y\sqrt{2x}$  

•  $2x^4y^2\sqrt{2x}$  

Find the value for the discriminant: $-3x^2-5x+1=0$  

• 13

• 29

• 37

• 0

Tags

CCSS.HSA-REI.B.4B

Find the number of solutions for the quadratic equation  $2x^2-5x=-7$  
(Hint: get equal to 0 and then use the discriminant!)

• 2 solutions

• 1 solution

• infinitely many solutions

• no solutions

Tags

CCSS.HSA-REI.B.4B

 Solve using the quadratic formula: $4x^2+5x-6=0$ .  Round to the nearest hundredth if necessary.

• -0.75 and 2

• 0.75 and - 2

• -1.1 and -8.9

• -3.6 and -6.4

Tags

CCSS.HSA-REI.B.4B

Solve using the quadratic formula: $2x^2-7x=3$  
Round to the nearest tenth.

• - 3.9 and 0.4

• 11.27 and 2.7

• 15.5 and - 1.5

• 3.9 and - 0.4

Tags

CCSS.HSA-REI.B.4B

Solve using the quadratic formula $3x^2-2x-9=0$  Write your answer in simplified square root form.

•  $\frac{2\pm7\sqrt{4}}{6}$  

•  $\frac{-1\pm2\sqrt{7}}{3}$  

•  $\frac{1\pm2\sqrt{7}}{3}$  

•  $\frac{2\pm\sqrt{112}}{2}$  

Tags

CCSS.HSA-REI.B.4B