Review for Benchmark (Algebra 1)

Solve the equation for r.

 $-6\left(r-2\right)=20-5r$  

• r = 8

• r = 9

• r = -8

• r = -16

Solve the equation for n.

 $-35-8n=-7\left(3n-8\right)$  

• n = 7

• n = -3

• n = -16

• n = -13

Solve the equation for k.

 $-2\left(6k+3\right)=13+7k$  

• k = 16

• k = -11

• k = 10

• k = -1

Simplify the expression.

 $3\left(n+2\right)+2\left(5-7n\right)$  

• -22n+32

• -20n+32

• 2-2n

• -11n+16

Tags

CCSS.6.EE.A.3

Simplify the expression.

 $6\left(8p+3\right)-7p\left(3p+3\right)$  

•  $p+24-21p^2$  

•  $27p+18-21p^2$  

•  $17p-5p^2$  

•  $91p-8-40p^2$  

Tags

CCSS.6.EE.A.3

Solve the inequality.

 $-7\left(r-8\right)\le112$  

•  $r\ge-25$  

•  $r\ge-8$  

•  $r\ge-7$  

•  $r\ge-28$  

Tags

CCSS.7.EE.B.4B

Solve the inequality.

 $6\left(-6-4x\right)\le-108$  

•  $x\ge3$  

•  $x\ge-40$  

•  $x\ge4$  

• No solution

Tags

CCSS.7.EE.B.4B

Solve the compound inequality.

 $-10-8p\ge30\ or\ -4p-9\le-21$  

•  $b\le-12$  

•  $b\le-5\ or\ b\ge3$  

• All real numbers

•  $b\le-12\ or\ b>-7$  

Solve the inequality.

 $-12x+9<-135\ or\ -12x-5>19$  

•  $x>11\ or\ x\le7$  

•  $x>12\ or\ x<-2$  

•  $x<-2$  

•  $x>12$  

Solve the inequality.

 $9-p<16\ or\ 5-4p\ge49$  

•  $p<-2\ or\ p>9$  

•  $p>-7\ or\ p\le-11$  

•  $p<-3\ or\ p>9$  

•  $p>-7$