Math 8 Semester 1 Final Exam Review

Select all the equations that have no solution.

• $6x\ -2-3x\ =\ 3x\ -\ 2$

• $5x\ -2\left(x-4\right)\ =\ 3x\ +10$

• $10\ +\ 7x\ =\ 15\ +\ 7x$

• $7x\ +\ 4\ =\ 5x\ -3x\ +14$

• $11+3x-8=7x+12-4x$

Tags

CCSS.8.EE.C.7A

State the solution. 

 $3x\ -18\ =\ 7x\ -10$  

Which statement best describes the solution?

 $3\left(x\ -2\right)\ +1\ =\ 2x\ -8\ +x\ +3$  

• The equation has one solution, x = -1. 

• The equation has one solution, x = 5. 

• The equation has infinitely many solutions. 

• The equation has no solution. 

Tags

CCSS.8.EE.C.7A

 $7x-5\ =\ 5x\ -7\$  is a .... 

• Condition Equation 

• False Equation 

• True Equation

Tags

CCSS.8.EE.C.7A

What value does "a" have to be to be considered to have IMS?

 $6x+8=ax\ +8$  

• -6

• 8

• 6

Tags

CCSS.7.G.B.5

What value can "a" be to be considered to have one solution?

 $6x+8=ax\ +8$  

• -4

• 7

• 6

• -2.25

Tags

CCSS.8.EE.C.7A

State the solution.

2x + 7 = 2(x + 7)

Tags

CCSS.8.EE.C.7A

Select the solution.

3x = x + x + x

• x = 0

• x = 1

• IMS

• No solution

Tags

CCSS.8.EE.C.7B

What type of equation is 20 - x = 12

• True

• Conditional

• False

Tags

CCSS.8.EE.C.7A

What is the solution to this equation?

• one solution
• no solution
• infinite solutions
• none of these

Tags

CCSS.8.EE.C.7A