Is a Value a Solution to an Equation

When x = 5 in the equation
x + 7 = 15
(5) + 7 = 15
12 = 15
TRUE OR FALSE?

• TRUE

• FALSE

Tags

CCSS.6.EE.B.5

When x = 16 in the equation
2x - 4 = 32
2(  ) - 4 = 32
IS IT TRUE OR FALSE?

• TRUE

• FALSE

Tags

CCSS.6.EE.B.5

Find the solution to the equation:
^{6n + 5(2n - 6) = 6n - 30}

• n = 0

• n = 8

• Many Possible Solutions

• No Possible Solutions

Tags

CCSS.8.EE.C.7A

Find the solution to the equation:
^{25 - 5a = -5( a - 4)}

• a = 0

• a = 10

• No Possible Solution

• Many Possible Solutions

Tags

CCSS.8.EE.C.7A

Find the solution to the equation:
2(5b - 3) = 6b + 6

• b = 12

• b = 3

• b = (-7)

• No Possible Solutions

9x + 7 − 5x = 4x − 7

• x = 7

• x = -7

• infinitely many solutions

• no solutions

14 - 2 ( 3p + 1) = 6 ( 4 + p)

• No Solution

• One Solution

• Infinite Solutions

Tags

CCSS.8.EE.C.7A

What makes an answer a solution to a problem (in math)?

• In chemistry, a solution is a special type of homogeneous mixture composed of two or more substances.

• A value or set of values for the unknown variables that make the equation true.

• A value or set of values for the unknown variables that make the equation false.

Select the hot spot that marks the solution to this system of equations.

Tags

CCSS.8.EE.C.8B

Is 6.8 a possible solution for p ≤ 7 ?

• Yes

• No

Tags

CCSS.6.EE.B.5