Quiz Review: Special Solutions & Functions

What is the solution to this equation?

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

Tags

CCSS.8.EE.C.7A

Solve:
2x + 1 = 2x - 1

• No Solution
• x = 0
• Infinitely Many Solutions

Tags

CCSS.8.EE.C.7A

3r - 5 = 2r + 3

• No solution

• Infinitely many solutions

• r = 8

Solve:
3x + 15 = 3(x + 5)

• No Solution
• x = 15
• Infinitely Many Solutions

Tags

CCSS.8.EE.C.7A

-5(2x - 4) = 2(10 - 5x)

• No Solution

• One Solution

• Infinite Solution

Tags

CCSS.8.EE.C.7A

Solve:

9x + 7 − 5x = 4x − 7

• x = 7

• x = -7

• infinitely many solutions

• no solutions

What does it mean when an equation has infinitely many solutions?

• "To infinity and beyond"

• 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

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

Is this set of ordered pairs a function or not a function? 

• Function
• Not a Function 

Tags

CCSS.8.F.A.1

• Function
• Not a Function