Unit 1 Test

Solve the equation for m. $\frac{2m-n}{5}=7n$   

• m=40n

• m=18n

• m=8n

• m=20n

If x=7, evaluate the expression below.

• 12

• 21

• -60

• -77

Which equation has a solution of all real numbers?

• 5k-(6k-18)=9-k+17

• 14-5(y+10)=4-8(y+5)

• 6(-2w-3)=-4(3w+7)+10

• 7m-2(2m+3)=8-(3m-10)

Graph the solution to the following inequality.  $\frac{5-\left(9-4x\right)}{-2}<-5$  

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Which graphs the solution to the compound inequality below.  $-4k-3<-7\ or\ 1-k\ge6$  

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Solve. $\left|6x=4\right|=2w-10$   

Which represents the solution to the inequality below in interval notation?  $-\frac{1}{3}\left(21-9n\right)\ge4\left(2n-7\right)-9$  

•  $\left(-\infty,6\right]$  

•  $\left(-\infty,-6\right]$  

•  $\left[6,\infty\right)$  

•  $\left[-6,\infty\right)$  

Which represents the solution to the inequality below in interval notation?

• $\left(-4,14\right)$

• $\left(-14,4\right)$

• $\left(-\infty,-4\right)\cup\left(14,\infty\right)$

• $\left(-\infty,-14\right)\cup\left(4,\infty\right)$

Which represents the solution to the compound inequality below in interval notation?  $5-2x>31\ and\ 7x+8\ge-55$  

•  $\left(-13,-9\right)$  

•  $\left(-\infty,-13\right)\cup\left[-9,\infty\right)$  

•  $\left[-9,\infty\right)$  

• no solution

Solve the equation.  $8x-\left(1+5x\right)=4\left(3x-11\right)-20$