Math in Focus Course 3 Chapter 4 Test Review

Solve

 $\frac{1}{2}\left(x+3\right)$ = $\frac{1}{4}\left(3x-1\right)$   

•  $x=7$  

•  $x=4$  

•  $x=5$  

•  $x=-2$  

 $15+7x\ge29\ \ \$  Solve the inequality. If you had to graph it would it be open or closed circle. 

•  $x\ge2$  

•  $x\le2$  

•  $x\ge-2$  

•  $x>2$  

 $\frac{2y+4}{4}-\frac{\left(4y-1\right)}{3}=1$  Solve the equation.

•  $x=4$  

•  $x=\frac{2}{3}$  

•  $x=2$  

•  $x=\frac{2}{5}$  

Check all that apply. Which could be a solution to the inequality:  $4x-3\le-x+12$  

•  $x\ge3$  

•  $x\le3$  

•  $x\ge5$  

•  $x=2$  

•  $x=5$  

What is the solution, if any, of the equation:  $4x-6=5x-10$  

•  $x=-4$  

•  $x=\frac{9}{4}$  

•  $x=\frac{-16}{9}$  

•  $x=4$  

• no solution 

What is the soluition, if any, to the equation  $-11+3\left(b+5\right)=7$  

•  $b=3$  

•  $b=1$  

•  $b=-3$  

•  $b=-1$  

• Infinitely many solutions 

What is the solution, if any, to the equation  $-5\left(x+7\right)=-5x+35$  

•  $x=-35$  

•  $x=7$  

• inconsistent 

• Infinttely many solutions 

What is the soltution, if any, to the equation:  $6\left(4x+2\right)=3\left(8x+4\right)$  

•  $x=12$  

•  $x=6$  

• inconsistent  

• infinitely many solutions 

Check all that apply. What could be the solution to the equation  $10\left(x-3\right)+3=2\left(3x+4\right)+4x$  

•  $x=5$  

• identity 

• all real numbers 

• Inconsistent 

• No solution 

Solve the following equation for m.

 $y=mx+b$  

•  $m=\frac{y-b}{x}$  

•  $m=\frac{x}{y-b}$  

•  $m=y+bx$  

•  $m=\frac{y+b}{x}$