4/4 quiz

Solve using square roots.

• A
• B
• C
• D

Tags

CCSS.HSA-REI.B.4B

Solve using square roots.

• A
• B
• C
• D

Tags

CCSS.8.EE.A.2

Solve using square roots.
5b² - 4 = 41

• b = 9, b = -9
• b = 3, b = -3
• b = 8, b = -8
• no solution

Tags

CCSS.8.EE.A.2

Simplify the square root.

• A
• B
• C
• D

Factor and Solve: Remember the two numbers you choose when factoring, are not your solutions to the equation!

a² + 2a − 24 = 0

• a = −6, 4

• a = 6, −4

• a = 12, −2

• a = 8, −3

Tags

CCSS.HSA-REI.B.4B

Factor and solve:

z² − 14z + 45 = 0

• z = 1, 45

• z = −1, 45

• z = −5, 9

• z = 5, 9

Tags

CCSS.HSA-REI.B.4B

Solve:  $2x^2-x-15=0$  

•  $x=-\frac{5}{2}$  and  $x=3$  

•  $x=\frac{5}{2}$  and  $x=-3$  

•  $x=\frac{5}{2}$  and  $x=3$  

•  $x=-\frac{5}{2}$  and  $x=-3$  

Tags

CCSS.HSA-REI.B.4B

#1

Tags

CCSS.HSA-REI.B.4B

#5

• There are 2 real solutions.
• There is 1 real solution.
• There are 2 complex solutions.
• There are 5 real solutions.
• Not enough information is given to determine an answer.

Tags

CCSS.HSA-REI.B.4B

#12

• There are 2 real solutions.
• There is 1 real solution.
• There are 2 complex solutions.
• Not enough information is given to determine an answer.

Tags

CCSS.HSA-REI.B.4B