Day 1 Solving Equations and Inequalities

Which value of n makes the equation $5\left(-2-3n\right)+2\left(n+5\right)=5n-4n$  true?

• -2.5

• 0

• -14

• -0.5

Tags

CCSS.8.EE.C.7B

Which of the following represents the solution set to the inequality $5x+4<7x-20$ ?

•  $x\le12$  

•  $x<12$  

•  $x\ge12$  

•  $x>12$  

What is the solution to the equation $-4\left(3m+5\right)+2m=5m+40$ ?

• 4

• -4

• 5

• -5

What is the solution set for $6x-12\le3x+6$ ?

•  $x\le6$  

•  $x\le-6$ 

•  $x\ge-6$ 

•  $x\ge6$ 

What value of x makes the equation  $6x-4x-7=-2\left(-4+3x\right)$  true?

•  $\frac{1}{4}$  

•  $-\frac{15}{8}$  

•  $-\frac{1}{8}$  

•  $\frac{15}{8}$  

Which value of g makes the equation  $\frac{13}{4}\left(8g-3\right)=\frac{273}{4}$  true?

•  $\frac{9}{4}$  

•  $3$  

•  $\frac{21}{5}$  

•  $\frac{1}{4}$  

Tags

CCSS.7.EE.B.4A

Which inequality best describes the solution set to  $6\left(2-m\right)\ge-4m+8$ ?

•  $m\le-2$  

•  $m\ge-2$  

•  $m\le2$  

•  $m\ge2$  

Which inequality represents the solutions of  $12\left(-3x-5\right)<84$ ?

• x>-4

• x<-4

• x>-3

• x<-3

Tags

CCSS.7.EE.B.4B

Is the solution below correct?
5d = 2d - 18
-2d   -2d
3d = -18
d = 6

• Yes
• No

Tags

CCSS.7.EE.B.4A

Is the solution below correct?
-6z + 13 = 7z
+6z           +6z
13 = 13z
z = 1

• Yes
• No

Tags

CCSS.HSA.REI.A.1