What is the length of the red segment in the graph below?
1 answer:
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78
x=-3. Plug -3 into x
We will follow PEMDAS for this.
-3²=9. A negative multiplied by a negative always equals a positive.
9×2=18
18-5=13
13×6=78
PEMDAS is Parentheses Exponents Multiplication Division Addition Subtraction. You will hear of it as Please Excuse My Dear Aunt Sally to begin with.