Algebra 2AB Unit 2 Quiz #1 Review

|−4 + 5x| = 16

• {16/5,12/5}

• {4,-5}

• {-12/5, 4}

• 4

−2|−2r − 4| = -12

• {5,1}
• {-5, -1}
• {-5, 1}
• No Solution

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

An extraneous solution is

• not a concern when solving absolute value equations

• an apparent solution that must be rejected because it does not satisfy the original equation

Tags

CCSS.HSA.REI.A.2

CCSS.HSA.REI.D.11

What is the solution of ∣5x-2∣=7x+14?

• x=-1

• x=-1, x=-8

• x=-8

• no solutions

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

Solve:
 $3x+15=3\left(x+5\right)$  

• No Solution

• x = 15

• All Real Numbers

• x = 0

Tags

CCSS.8.EE.C.7A

Solve:
 $3x+2<-4\ or\ 4x+4>24$  

• x < -2 or x > 5

• x < 2 or x > 5

• x < -2 and x > 5

• x < 2 and x > 5

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

Which number line represent the solution to the inequality −7x −13 ≥ 8?

• Line A

• Line B

• Line C

• Line D

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

Solve for x:

• x = yb - v
• x = by - v
• x = by + v

Tags

CCSS.HSA.REI.B.3

 $Solve\ \ \ \ cx-b=ax+d\$  for x and state any restrictions.

•  $x=\frac{d+b}{c-a};\ a\ne0,\ c\ne0$  

•  $x=\frac{d+b}{c-a};\ c\ne a$  

•  $x=\frac{d+b}{c-a};\ ca\ne0$  

•  $x=\frac{d+b}{c-a};\ c=a$  

Solve $xm=x+z$  for x and state any restrictions.

•  $x=\frac{z}{m-1};\ m\ne0\$  

•  $x=\frac{z}{m-1};\ no\ restrictions$  

•  $x=\frac{z}{m-1};\ m\ne1$  

•  $x=z-m;\ no\ restrictions$