8A (9/26) Equations, Functions PLUS

Solve the equation:
-5x = 25

• x = 20
• x = -20
• x = -5
• x = 5

19  + a  =  -50

• a = -950
• a =  -69
• a = -31
• a = -50/19

Look at the work. What SHOULD have been the first step?

• It's correct!
• Subtract 1 on both sides
• Add 5 on both sides
• Divide by 3 on both sides

All kids under the age of 18 will have__________by default?

• Public account

• Private account

• fake account

• NO account

_______help octopuses hunt

• Humans

• bugs

• Plants

• other fish

Roughly how far away is the closest black hole to earth? *hint 10 second trivia

• 1,000 light-years

• 10,000 light-years

• 100 light-years

• 50 light-years

The goal of solving two-step equations is to:

• Make life difficult

• Find the coefficient

• Find the value of the variable

• Make everything equal zero

What are the two basic rules for solving algebraic equations?

• Whatever you do to one side of the equal sign, you must copy and do on the other side of the equal sign

• Negative signs can be ignored

• Always start on the left side, regardless of where the variable is

• Always do the opposite operation

What does "difference" mean?

• add
• subtract 
• multiply
• divide

Which list below contains ONLY prime numbers?

• 1, 3, 5, 7

• 13, 15, 17, 19

• 4, 6, 8, 10

• 2, 3, 5, 7