Identify Solutions of an Equation

If 2x + 4 = x - 5, then x = ______

• 9

• -9

• 1

• -1

Tags

CCSS.7.EE.B.4A

Write 'True' or 'False' 
The solution of a linear equation is always an integer

• TRUE 

• FALSE

Tags

CCSS.8.EE.C.7B

Solve the following equation:

4x + 1 = 8x − 3

• x = 1

• x = 2

• infinitely many solutions

• no solutions

Solve the following equation:

9y − 5 = 2y + 9

• y = −2

• y = 2

• infinitely many solutions

• no solutions

Solve the following equation:

10x + 3 + 3x = 5x + 1 + 8x + 2

• x = −3

• x = 3

• infinitely many solutions

• no solutions

Solve the following equation:

3x + 1 + 2x = 4x − 2 − 7x + 7

• x = 2

• x = ½

• infinitely many solutions

• no solutions

What does it mean when an equation has one solution?

• the equation is always TRUE when any value is substituted in for the variable

• the equation will NEVER be true when any value is substituted in for the variable

• only ONE solution will make the equation true

Tags

CCSS.8.EE.C.7A

Solve the following equation:

3(x − 1) = 2x + 9

• x = 12

• no solution

• x = 10

• x = 6

Solve the following equation:

4 − 6x − 2= −2(3x − 1)

• no solution

• infinitely many solutions

• x = ⅓

• x = 4

Tags

CCSS.8.EE.C.7A

Solve the following equation:

3x − x + 4 = 4(2x +1)

• no solution

• infinite solutions

• x = 6

• x = 0

Tags

CCSS.8.EE.C.7A