Algebra 1 1st Six Wk Review

 $5x-10x+3=7x+12$  

•  $x=\frac{-3}{4}$  

•  $x=\frac{-4}{3}$  

•  $x=\frac{-9}{22}$  

• x=22

 $\frac{1}{3}\left(6x-9\right)=5x+4$  

•  $x=\frac{-7}{3}$  

•  $x=\frac{-3}{7}$  

•  $x=\frac{31}{7}$  

•  $x=\frac{7}{31}$  

 $2\left(3x-4\right)<4\left(2+3x\right)$  

•  $x>\frac{-8}{3}$  

•  $x>\frac{-3}{8}$  

•  $x>\frac{8}{9}$  

•  $x>\frac{9}{8}$  

 $-3\left(2x-4\right)-5x>23$  

(a)  

Which expression is equivalent (simplify) $3x-\frac{2}{3}\left(18-5x\right)+12$  

•  $\frac{19}{3}x$  

•  $-x$  

•  $\frac{19}{3}x-24$  

•  $-x-24$  

 $3x-5y=18$  Which equation is equivalent when solved for y:

•  $y=\frac{-18}{5}+\frac{3}{5}x$  

•  $y=\frac{18}{5}+\frac{3}{5}x$  

•  $y=18+\frac{3}{5}x$  

•  $y=6+\frac{5}{3}x$  

Which equation is equivalent to $y=\frac{-7}{4}\left(x-12\right)+6$  when solved for x

•  $x=\frac{-4}{7}y+\frac{108}{7}$  

•  $x=\frac{-4}{7}y+\frac{60}{7}$  

•  $x=\frac{-4}{7}y+12$  

•  $x=\frac{-4}{7}x-\frac{21}{2}$  

Which inequality represents the range of the function?

• all real numbers

• all real numbers greater than -3 and less than or equal to 5

• all real numbers greater than or equal to -6 and less than 8

• all real numbers greater than or equal to -3 and less than or equal to 8

Mr. Stroud gave a 10-question quiz in his class, each question worth 10 points. The graph above represents the grade students could make as a function of the number of correct questions. Which is the range of the function?

• {0,1,2,3,4,5,6,7,8,9,10}  discrete

• {0,10,20,30,40,50,60,70,80,90,100}  discrete

• 0≤y≤10  continuous

• 0≤y≤100 continuous

What is the domain of the function above?

• $x\in R$

• $-3<x\le6$

• $-9\le x<8$

• $-3\le x<6$