Unit 1 Review

Solve: 

 $13\ +\ \frac{x}{6}\ =\ 9\$ 

• x = 41

• x = -24

• x = 24

• x = -10

Tags

CCSS.7.EE.B.4A

Solve:

 $4x\ +\ 5\ =\ 13$  

• x = 8 

• x = 2 

•  $x\ =\ \frac{18}{4}$  

• x = 4

Tags

CCSS.7.EE.B.4A

Find the mistake:

 $3\left(x+4\right)-2x=17$  

 $Step\ 1:\ 3x+12-2x=17$  
 $Step\ 2:\ 5x+12\ =\ 17\$  
 $Step\ 3:\ 5x\ =\ 5\$ 
  $Step\ 4:\ x\ =\ 1$  

• Step 1

• Step 2

• Step 3

• Step 4

Tags

CCSS.8.EE.C.7B

 $3n-5\ =\ 7n+11$  

Solve for n:

• n = 16/10

• n = -16/10

• n = 4

• n = -4

Which of the following has NO solution?

• $2x+5\ =\ \frac{1}{2}\left(4x+10\right)$

• $14-2x\ =\ 2\left(6-x\right)$

• $7\ -\ x\ =\ x\ +\ 8\$

• $4x+2\ =\ 4x+2\$

Tags

CCSS.8.EE.C.7A

 $3\left(c+2\right)=6+3c$  

Solve for c:

•  $c\ =\ \frac{-4}{6}$  

• No Solution 

• Infinitely Many Solutions 

•  $c\ =\ 0$  

Tags

CCSS.8.EE.C.7A

Solve: $x\ +\ 5\ >10$  

•  $x<5$  

•  $x>15$  

•  $x<15$  

•  $x>5$  

Tags

CCSS.7.EE.B.4B

Solve:  $-4x\le12$  

•  $x\ge-3$  

•  $x\ge3$  

•  $x\le3$  

•  $x\le-3$  

Tags

CCSS.6.EE.B.8

Which of the following inequalities represents an AND compound inequality?

• $3x+5>2x-7$

• $2x<-4\ \ or\ \ 3x+1\ge7$

• $-3<2x-1\le9$

• $\frac{x}{-5}>6$

Which of the following is graphed below?

• $3\le x<10$

• $x<3\ or\ \ x\ge10$

• $x\ \ge\ 3$

• $x\ <\ 10$