1.6-1.7 Review

Solve the inequality.  $7\ -\ 3x\ \ge-11$  

•  $x\le6$  

•  $x\ge7$  

•  $x\ge-6$  

•  $x\le5$  

Solve the inequality.
 $13x\ +24\ \le16-3x$  

•  $x\le\frac{1}{2}$  

•  $x\le2$  

•  $x\le-\frac{1}{2}$  

•  $x\le-2$  

Solve the inequality.
 $-8\le3x+1\le10$  

•  $-2\le x\le2$  

•  $-4\le x\le6$  

•  $3<x<-3$  

•  $-3\le x\le3$  

Solve the equation, check for extraneous solutions.
 $\left|3x+2\right|=7$  

•  $1\ \frac{2}{3},\ 6$  

•  $5,\ 6$  

•  $-3,\ 3$  

•  $-3,\ 1\frac{2}{3}$  

Solve the equation. Check for extraneous solutions.
 $\left|8r+1\right|=3r$  

• 1/11, 1/5

• no solution

• -1/11, -1/5

• 11, 5

Solve the inequality
 $\left|5-2y\right|>7$  

•  $Y>1$  

•  $y>1\ or\ y<6$  

•  $y<-1\ or\ y>6$  

•  $y<\ 2\ or\ y\ <7$  

Solve the inequality.
 $\left|x-5\right|\le30$  

•  $-25\le x\le35$  

•  $x\le35$  

•  $x\ge-25$  

•  $20\le x\le30$  

Solve for y.

x + 4y = 12

• $y\ =\ -\frac{1}{4}x+3$

• $y\ =\ 12-x$

• $y\ =\ \frac{12-x}{4}$

• $y\ =\ 4x\ +\ 12$

Convert 10 miles per hour into feet per second. (1 mile = 5280 feet).

• 20 ft/sec

• 14.666 ft/sec

• 16 ft/sec

• 15.666 ft/sec