Envy_Seven
  • Envy_Seven
I have an Algebra exam tomorrow. Can anyone just help me revise some of the basics?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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Clalgee
  • Clalgee
Algebra I I suspect? :)
Envy_Seven
  • Envy_Seven
Yes
Clalgee
  • Clalgee
Alright then! Let's do this :) Give me 30 seconds.

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Envy_Seven
  • Envy_Seven
Thanks! :)
Clalgee
  • Clalgee
No problem. So I'm going to mix it up. I will ask you for definitions, formulas, and I'll need you to simplify a few equations okay?
Envy_Seven
  • Envy_Seven
Aight
Clalgee
  • Clalgee
Alright, Let's start with Order of Operations. Explain the steps of PEMDAS. Then solve the equation using Order of Operations below.
Clalgee
  • Clalgee
-2[3 -(-2)(6)]= ?
Envy_Seven
  • Envy_Seven
P = Parentheses E = Exponents? M = Multiplication D = Division A = Addition S = Subtraction
Envy_Seven
  • Envy_Seven
34?
Envy_Seven
  • Envy_Seven
Wait actually...
Clalgee
  • Clalgee
Great! You've mastered the understanding of PEMDAS But as for solving the equations.... You took a different route there
Clalgee
  • Clalgee
1.) Parenthesis in PEMDAS Multiply (-2)(6)= ?
Envy_Seven
  • Envy_Seven
-12
Envy_Seven
  • Envy_Seven
-12 - 3 = 15 because of double negative?
Envy_Seven
  • Envy_Seven
3 - (-12) is how it should be written actually, right?
Clalgee
  • Clalgee
2.) There are no exponents so we move multiplication. Multiply -12 by _____ ? What do you think?
Clalgee
  • Clalgee
You got it :)
Envy_Seven
  • Envy_Seven
then -2 x 15 is -30?
Clalgee
  • Clalgee
You got it again!
Clalgee
  • Clalgee
Where did you get 34 from though?
Envy_Seven
  • Envy_Seven
-2[3 -(-2)(6)]= ? I did 3 - (-2) first for some reason
Clalgee
  • Clalgee
Oh alright! That's fine, but just as long you knew what mistake you made :) So now, I'm going to ask you for definitions.
Clalgee
  • Clalgee
What is absolute value? Give me an example.
Envy_Seven
  • Envy_Seven
The number between 0 and (for example, 5)?
Envy_Seven
  • Envy_Seven
And if it was -7, the absolute value would be 7?
Envy_Seven
  • Envy_Seven
So an example would be: 10 is the absolute value of 10 and -10

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